Audio / Visual Alarm Combination Warning Lights

Last Updated: January 16, 2025 Reviewed by: Mohsen Mostafaei, consulting engineer

Description

Audio/Visual Alarm Combination Warning Lights are integrated safety devices that simultaneously emit both light and sound signals when triggered. These devices combine bright, attention-grabbing LED or strobe lights with audible alarms that can produce various sound patterns and tones. The visual component typically features multiple flash patterns and color options, while the audio element can generate different volumes and sound frequencies.

Working Principle

These warning devices operate through separate but synchronized circuits that control the light and sound components. The visual element typically uses high-intensity LEDs or xenon tubes to create bright, pulsating light patterns that effectively capture attention even in well-lit environments. The audio component utilizes electromagnetic solenoids or piezoelectric elements to generate sound waves at specific frequencies designed to be easily distinguishable from ambient noise. The synchronization of both elements enhances the overall effectiveness by engaging multiple human senses simultaneously, significantly improving the likelihood of alert detection.

Applications

These combination warning devices are extensively used in industrial freezer monitoring systems where temperature fluctuations could compromise product safety. They're commonly installed in data centers to alert personnel of critical system failures or security breaches. In pharmaceutical manufacturing, they monitor clean room conditions and alert staff of contamination risks. Maritime applications include engine room monitoring systems and cargo hold water level warnings. They're also utilized in railway crossing systems, particularly in remote areas where visibility can be compromised by weather conditions.

Advantages over other Warning Lights

Combination warning devices offer superior alert effectiveness compared to single-mode systems, particularly in high-noise environments where visual-only warnings might be missed or bright areas where audio-only alarms could go unnoticed. The dual-mode operation provides redundancy, ensuring alerts remain effective even if one component fails. Modern LED-based systems consume significantly less power than traditional incandescent or xenon-based warning lights while offering longer operational life. The ability to customize both sound patterns and light colors allows for different threat levels to be communicated through a single device.

Limitations

These devices typically require more complex wiring and installation compared to single-mode warning systems. Power consumption, while improved with LED technology, remains higher than simple warning lights due to the audio component. Sound effectiveness can be significantly reduced in areas with high ambient noise levels or when hearing protection is required. The initial cost is notably higher than single-mode systems, and maintenance requires expertise in both audio and visual components. Some models may experience synchronization issues between light and sound patterns over time.

Considerations

Initial installation costs typically range from $200 to $1,000 per unit, depending on sophistication and coverage area requirements. Operating expenses primarily involve power consumption, averaging 15-30 watts per unit during activation. Durability varies significantly based on environmental conditions, with units in corrosive or extreme temperature environments requiring replacement every 3-5 years. Regular maintenance includes quarterly testing of both components, annual cleaning of light covers, and verification of sound levels. Replacement parts, particularly for the audio components, can be expensive and may require specialized technicians for installation. The total cost of ownership should factor in potential upgrades to power supply systems and the need for backup power sources in critical applications.

103 Results
AV1-LED Flashing Combination Audible/Visual Signal -- AV1-LED-024A
from Federal Signal Corporation - Industrial Signaling and Systems

Available in 24VDC and 120VAC. Five lamp/lens colors: Amber, Blue, Clear, Green and Red. 50,000 hour LED. Surface, integrated 1/2-inch NPT pipe, and 4-inch electrical box mount. Twist-off lens for easy access. Internal buzzer produces 85 dBa at 10' (95 dBa @ 1m). Flexible operation allows the unit... [See More]

  • Visual Indicators: Combination; Flashing
  • Power: 125
  • Flash Rate: 60 to 75
  • Color: Amber
Hospi-Gard Annunciator
from Envirco

Introduction. Setra ’s SRAN annunciator allows remote indication of room status at monitoring or nurses ’ station. A GREEN LED indicates a normal room condition, a RED LED and audible alarm signal a breach in room pressure status. Other Related Products [See More]

  • Visual Indicators: Combination
  • Specialty Applications: Medical
10-30V DC Frame C Rec. Horn Amb. Beacon -- 855H-RC30C5
from Allen-Bradley / Rockwell Automation

Bulletin 855H, Recordable Horn with Beacon, 12...30V DC, Frame C, 101dB(A) Voice, 110dB(A) Tone Output at 1 m, UL Type 3R/4/4X/13, IP66, Amber LED Beacon [See More]

  • Visual Indicators: Combination
  • Color: Amber
Central Display Unit and Horn Strobe for Gas Safety Alarms
from CO2Meter.com

The Central Display Unit (CDU-HS1) for Gas Safety Alarms with Horn Strobe is designed to provide real-time visibility of CO2 or O2 levels, alarms, and historical trends; enabling users to respond quickly to a potential gas hazard all from a single centralized display unit. The CDU also serves as a... [See More]

  • Visual Indicators: Combination; Strobe
Alarms -- 1566624
from RS Components, Ltd.

Compact elct personal alarm,130dB siren [See More]

  • Visual Indicators: Combination
PM22C Panel Mount 22mm Multifunctional LED Audible/Visual Combination Signal -- PM22C-012-024A
from Federal Signal Corporation - Industrial Signaling and Systems

Available in 12-24VAC/DC. 7 flash/tone combinations: steady light. continuous tone. steady light + tone. strobe + intermittent tone SYNC. 2x flash + 2x intermittent tone SYNC. 3x flash + 3x intermittent tone SYNC. random light + random tone. Choice of M12 cable gland or M12 4-pin quick connect (-Q... [See More]

  • Visual Indicators: Combination
  • Color: Amber
  • Flash Type: Continuous
  • Supply Voltage: AC; DC or Battery
10-30V DC Frame C Rec. Horn Red Beacon -- 855H-RC30C4
from Allen-Bradley / Rockwell Automation

Bulletin 855H, Recordable Horn with Beacon, 12...30V DC, Frame C, 101dB(A) Voice, 110dB(A) Tone Output at 1 m, UL Type 3R/4/4X/13, IP66, Red LED Beacon [See More]

  • Visual Indicators: Combination
  • Color: Red
CO2 Storage Safety 3 Alarm Horn Strobe Lights
from CO2Meter.com

The Remote CO2 Storage Safety 3 Alarm Horn Strobe Lights are designed to provide an additional flashing indicator of carbon dioxide leaks in large or noisy areas. The strobes work with the Remote CO2 Storage Safety 3 Alarm (RAD-0102-6-HS2) or the Oxygen Deficiency Depletion Safety Monitor... [See More]

  • Visual Indicators: Combination; Strobe
Alarms -- 2181164
from RS Components, Ltd.

PANIC ALARM/ENTRAPMENT ALARM AND OPEN DO [See More]

  • Visual Indicators: Combination
  • Agency Approvals: RoHS Compliant
PM22C RGB Panel Mount 22mm Multifunctional Audible/Visual Multicolor LED Combination -- PM22C-024RGB
from Federal Signal Corporation - Industrial Signaling and Systems

Available in 24VDC. Multicolor LED produces Blue, Clear, Cyan, Green, Magenta, Red and Yellow. Steady light effect and continuous tone combination. Choice of M12 cable gland or M12 4-pin quick connect (-Q models) electrical connections. 50,000 hour LED. Opaque polycarbonate lens. Type 3R, IP65... [See More]

  • Visual Indicators: Combination
  • Color: Clear
  • Flash Type: Continuous
  • Supply Voltage: AC; DC or Battery
10-30V DC Frame E Rec. Horn Amb. Beacon -- 855H-RC30E5
from Allen-Bradley / Rockwell Automation

Bulletin 855H, Recordable Horn with Beacon, 14...30V DC, Frame E, 111dB(A) Voice, 126dB(A) Tone Output at 1 m, UL Type 3R/4/4X/13, IP66, Amber LED Beacon [See More]

  • Visual Indicators: Combination
  • Color: Amber
Fixed Multi-Gas Detector Alarm Safety Horn Strobe
from CO2Meter.com

The Fixed Multi-Gas Detector Alarm Safety Horn Strobe is designed to provide an instant audible and visual indication of a potential gas leak in large or noisy areas to meet code compliance and protect against gas leaks. This alarm safety strobe is compatible only with the corresponding Fixed... [See More]

  • Visual Indicators: Combination; Strobe
Alarms -- 2425587
from RS Components, Ltd.

Emergency Assist Alarm Kit no PSU [See More]

  • Visual Indicators: Combination
  • Agency Approvals: RoHS Compliant
PMC Panel Mount Multifunctional LED Combination Audible/Visual Signal -- PMC-012-024A
from Federal Signal Corporation - Industrial Signaling and Systems

Available in 12-24VAC/DC or 48-240VAC. 3 channels included: 1: flashing light. 2: flashing light & intermittent sound. 3: steady light & continuous sound. 50,000 hour LED. Transparent polycarbonate lens. Type 3R, IP65 enclosure. IP69K Compliant. CE and UKCA Certified. UL Listed and cUL... [See More]

  • Visual Indicators: Combination
  • Flash Rate: 150
  • Flash Type: Continuous
  • Color: Amber
10-30V DC Frame E Rec. Horn Red Beacon -- 855H-RC30E4
from Allen-Bradley / Rockwell Automation

Bulletin 855H, Recordable Horn with Beacon, 14...30V DC, Frame E, 111dB(A) Voice, 126dB(A) Tone Output at 1 m, UL Type 3R/4/4X/13, IP66, Red LED Beacon [See More]

  • Visual Indicators: Combination
  • Color: Red
Industrial Strobe Siren
from CO2Meter.com

The Industrial Gas Strobe Siren (CM-1029) is designed to provide an additional flashing indicator of a potential gas leak in indoor areas that are using/storing compressed gases. The device features multi-purpose functionality with its siren, speaker, and optional strobe. It can also serve as a... [See More]

  • Visual Indicators: Combination; Strobe
  • Operating Temperature: -4 to 131
Alarms -- 2436404
from RS Components, Ltd.

SMART HOME WiFi siren, white [See More]

  • Visual Indicators: Combination
  • Agency Approvals: RoHS Compliant
SLM500 StreamLine® Modular Multifunctional Combination Audible/Visual Signal -- SLM500A
from Federal Signal Corporation - Industrial Signaling and Systems

Compatible with 12-24VAC/DC or 120-240VAC*. PLC compatible with PNP or NPN connections. (Except Dock Base, only NPN). 3 Channels included. Visual signal only. Visual signal + tone 1. Visual signal + tone 2. The option to have independent audible tone. 100,000 hour LED. Five lamp/lens colors: Amber,... [See More]

  • Visual Indicators: Combination
  • Flash Rate: 85
  • Flash Type: Continuous
  • Color: Amber
120V AC Hazloc Metal Horn and Beacon -- 855XM-CGMA10DA4
from Allen-Bradley / Rockwell Automation

855XM Hazardous Location Metal Horn with Beacon, Gray Housing Color, M20x1.5mm Conduit Entry, 120V AC 60Hz, 116dB Output, 5J Strobe, Red [See More]

  • Visual Indicators: Combination
  • Color: Red
Oxygen Deficiency Depletion Safety Alarm
from CO2Meter.com

The Oxygen Deficiency Depletion Safety Alarm and Horn Strobes (formerly known as the RAD-0002-ZR) is a 0-23% room oxygen monitor designed to protect staff from oxygen depletion. This device is designed to be mounted near nitrogen, argon, helium or other inert gas sources. It can also be used in... [See More]

  • Visual Indicators: Combination
  • Operating Temperature: -58 to 122
Alarms -- 2727452 [CCT592012 from Schneider Electric]
from RS Components, Ltd.

D étecteur de fuite d'eau [See More]

  • Visual Indicators: Combination
  • Agency Approvals: RoHS Compliant
SLM600 StreamLine® Modular Multifunctional High Output LED Combination Audible/Visual Signal -- SLM600A
from Federal Signal Corporation - Industrial Signaling and Systems

Compatible with 12-24VAC/DC or 120-240VAC*. PLC compatible with PNP or NPN connections. 3 Channels included. Visual signal only. Visual signal + tone 1. Visual signal + tone 2. The option to have independent audible tone. 100,000 hour LED. Five lamp/lens colors: Amber, Blue, Clear, Green and Red. [See More]

  • Visual Indicators: Combination
  • Flash Rate: 85
  • Flash Type: Continuous
  • Color: Amber
2 Ckt Panel Mount Alarm 2 Ckt Panel Moun -- 855PD-B10LEC1322
from Allen-Bradley / Rockwell Automation

855PD Panel Mount Dual Circuit Alarms, Black Housing, 120V AC, 65 mm, Light and Sound Combination, Sounder, Green Lens, 22.5 mm Mounting Hole [See More]

  • Visual Indicators: Combination
  • Color: Green
Remote Carbon Dioxide CO2 Storage Safety 3 Alarm
from CO2Meter.com

The Remote Carbon Dioxide (CO2) Storage Safety Alarm and Horn Strobes (formerly known as the RAD-0102-6) is designed to protect individuals near stored carbon dioxide. This fixed gas safety monitor measures CO2 levels and detects leaks to protect facilities from overexposure. CO2 alarms are critical... [See More]

  • Visual Indicators: Combination
  • Operating Temperature: 32 to 122
Alarms -- 4391530
from RS Components, Ltd.

Mayday lone worker safety alarm system [See More]

  • Visual Indicators: Combination
2 Ckt Panel Mount Alarm 2 Ckt Panel Moun -- 855PD-B10LEC1422
from Allen-Bradley / Rockwell Automation

855PD Panel Mount Dual Circuit Alarms, Black Housing, 120V AC, 65 mm, Light and Sound Combination, Sounder, Red Lens, 22.5 mm Mounting Hole [See More]

  • Visual Indicators: Combination
  • Color: Red
Remote Door Entrance Module for Gaslab Safety Alarms
from CO2Meter.com

The DEM-06: Remote Door Entrance Module for Gaslab Safety Alarm is a cutting-edge solution designed to keep your facility safe and informed. Using advanced micro-technology, it provides real-time visualization of gas alarms at every access point, ensuring that personnel are immediately aware of any... [See More]

  • Visual Indicators: Combination
Alarms -- 4975908
from RS Components, Ltd.

Exitguard door monitor alarm system,batt [See More]

  • Visual Indicators: Combination
2 Ckt Panel Mount Alarm 2 Ckt Panel Moun -- 855PD-B10MEC1422
from Allen-Bradley / Rockwell Automation

855PD Panel Mount Dual Circuit Alarms, Black Housing, 120V AC, 45 mm, Light and Sound Combination, Sounder, Red Lens, 22.5 mm Mounting Hole [See More]

  • Visual Indicators: Combination
  • Color: Red
Safety Strobe Tower
from CO2Meter.com

The Safety Strobe Tower provides a bright, flashing indicator and alarm sound for any of our CO2 or Oxygen Storage Safety Alarms. It clearly indicates the alarm level to anyone in the room and is controlled by relay output. The tower strobe colored lights indicate: Green - Normal air. Clear - Alarm... [See More]

  • Visual Indicators: Combination; Strobe
Alarms -- 6656842
from RS Components, Ltd.

Speak dialler with LC display [See More]

  • Visual Indicators: Combination
  • Agency Approvals: RoHS Compliant
2 Ckt Panel Mount Alarm 2 Ckt Panel Moun -- 855PD-B20LEC1422
from Allen-Bradley / Rockwell Automation

855PD Panel Mount Dual Circuit Alarms, Black Housing, 240V AC, 65 mm, Light and Sound Combination, Sounder, Red Lens, 22.5 mm Mounting Hole [See More]

  • Visual Indicators: Combination
Single Sensor CO2 Monitoring System and Horn Strobe
from CO2Meter.com

The Single Sensor CO2 Monitoring System and Horn Strobe is a compact safety solution that includes CO2Meter ’s reliable CO2 storage safety 3 alarm sensor (no remote display) paired with a standalone horn strobe. This kit delivers immediate audible and visual alerts in the presence of elevated... [See More]

  • Visual Indicators: Combination; Strobe
  • Operating Temperature: 32 to 122
Alarms -- 7044287
from RS Components, Ltd.

ABUS Waterdetector [See More]

  • Visual Indicators: Combination
  • Agency Approvals: RoHS Compliant
24V DC Hazloc Metal Horn and Beacon -- 855XM-CGMD24DA5
from Allen-Bradley / Rockwell Automation

855XM Hazardous Location Metal Horn with Beacon, Gray Housing Color, M20x1.5mm Conduit Entry, 20-28V DC, 116dB Output, 5J Strobe, Amber [See More]

  • Visual Indicators: Combination
  • Color: Amber
Single Sensor O2 Deficiency Monitoring System and Horn Strobe
from CO2Meter.com

The Single Sensor O2 Deficiency Monitoring System and Horn Strobe (RAD-SEU-ZR-HS1) includes CO2Meter ’s remote oxygen deficiency sensor unit (no remote display) paired with a standalone horn strobe for added audible and visual alarms. Please note: With the purchase of any RAD-SEU-ZR-HS1, a... [See More]

  • Visual Indicators: Combination; Strobe
  • Operating Temperature: -58 to 122
Alarms -- 7166536
from RS Components, Ltd.

Dorwatcher Alarm - Battery Powered [See More]

  • Visual Indicators: Combination
  • Agency Approvals: RoHS Compliant
90-260V AC Frame C Rec. Horn Amb. Beac. -- 855H-RC45C5
from Allen-Bradley / Rockwell Automation

Bulletin 855H, Recordable Horn with Beacon, 90...260V AC, Frame C, 101dB(A) Voice, 110dB(A) Tone Output at 1 m, UL Type 3R/4/4X/13, IP66, Amber LED Beacon [See More]

  • Visual Indicators: Combination
  • Color: Amber
Alarms -- 7166545
from RS Components, Ltd.

Dorwatcher Alarm - 240Vac Mains Powered [See More]

  • Visual Indicators: Combination
  • Agency Approvals: RoHS Compliant
90-260V AC Frame C Rec. Horn Red Beacon -- 855H-RC45C4
from Allen-Bradley / Rockwell Automation

Bulletin 855H, Recordable Horn with Beacon, 90...260V AC, Frame C, 101dB(A) Voice, 110dB(A) Tone Output at 1 m, UL Type 3R/4/4X/13, IP66, Red LED Beacon [See More]

  • Visual Indicators: Combination
  • Color: Red
Alarms -- 7190854
from RS Components, Ltd.

Disabled Toilet Alarm Kit - Battery [See More]

  • Visual Indicators: Combination
  • Agency Approvals: RoHS Compliant
Haz Loc Metal Horn with Beacon 24V DC -- 855XM-CGMD24DA7
from Allen-Bradley / Rockwell Automation

855XM Hazardous Location Metal Horn with Beacon, Gray Housing Color, M20x1.5mm Conduit Entry, 20-28V DC, 116dB Output, 5J Strobe, Clear [See More]

  • Visual Indicators: Combination
  • Color: Clear
Alarms -- 8134261 [CM00005953 from CAREL SpA]
from RS Components, Ltd.

Carel Coldwatch Trapped Personnel Alarm [See More]

  • Visual Indicators: Combination
  • Agency Approvals: RoHS Compliant
Industrial Horn 115V AC Industrial Horn -- 855H-BCA10ADR3
from Allen-Bradley / Rockwell Automation

855H Industrial Horn with Beacon, 115V AC 50/60Hz, 100 dB / 10 tone gray, Standard Base - Back feed or conduit feed, 5 Joule Strobe, Green [See More]

  • Visual Indicators: Combination
  • Color: Green
Smoke Alarms -- 1235774
from RS Components, Ltd.

Optical Midi batt smoke alarm 1 yr batt [See More]

  • Visual Indicators: Combination
  • Agency Approvals: RoHS Compliant
Industrial Horn 115V AC Industrial Horn -- 855H-BCA10ADR8
from Allen-Bradley / Rockwell Automation

855H Industrial Horn with Beacon, 115V AC 50/60Hz, 100 dB / 10 tone gray, Standard Base - Back feed or conduit feed, 5 Joule Strobe, Yellow [See More]

  • Visual Indicators: Combination
Smoke Alarms -- 1235775
from RS Components, Ltd.

Optical Midi batt smoke alarm 5yr batt [See More]

  • Visual Indicators: Combination
  • Agency Approvals: RoHS Compliant
Industrial Horn 120V AC Metal Horn -- 855HM-CGMA10DL4
from Allen-Bradley / Rockwell Automation

855HM Metal Horn with Beacon, Gray Housing Color, M20x1.5mm Conduit Entry, 120V AC 50/60Hz, 119db Output, LED, Red [See More]

  • Visual Indicators: Combination
  • Color: Red
Smoke Alarms -- 1235776
from RS Components, Ltd.

10yr Optical battery smoke alarm [See More]

  • Visual Indicators: Combination
  • Agency Approvals: RoHS Compliant
Recordable Horn with Beacon,Frame C -- 855H-RC30C3
from Allen-Bradley / Rockwell Automation

Bulletin 855H, Recordable Horn with Beacon, 12...30V DC, Frame C, 101dB(A) Voice, 110dB(A) Tone Output at 1 m, UL Type 3R/4/4X/13, IP66, Green LED Beacon [See More]

  • Visual Indicators: Combination
Smoke Alarms -- 1235777
from RS Components, Ltd.

10 year Battery Heat alarm, fully sealed [See More]

  • Visual Indicators: Combination
  • Agency Approvals: RoHS Compliant
Smoke Alarms -- 1235779
from RS Components, Ltd.

Wireless 10 year battery Heat alarm [See More]

  • Visual Indicators: Combination
  • Agency Approvals: RoHS Compliant
Smoke Alarms -- 1694637
from RS Components, Ltd.

Cig-Arrete Flame/Smoke Detector [See More]

  • Visual Indicators: Combination
  • Agency Approvals: RoHS Compliant
Smoke Alarms -- 1694638
from RS Components, Ltd.

Cig-Arrete Smoke Detector c/w VoiceAlarm [See More]

  • Visual Indicators: Combination
  • Agency Approvals: RoHS Compliant
Smoke Alarms -- 2300830
from RS Components, Ltd.

BiWire 5 in 1 Sensor [See More]

  • Visual Indicators: Combination
  • Agency Approvals: RoHS Compliant
Smoke Alarms -- 2300833
from RS Components, Ltd.

BiWire Optical Smoke Sensor [See More]

  • Visual Indicators: Combination
  • Agency Approvals: RoHS Compliant
Smoke Alarms -- 2300836
from RS Components, Ltd.

Conventional Heat Sensor (Fixed Heat, 77 [See More]

  • Visual Indicators: Combination
  • Agency Approvals: RoHS Compliant
Smoke Alarms -- 2300837
from RS Components, Ltd.

Conventional Heat Sensor (Rate of Rise) [See More]

  • Visual Indicators: Combination
  • Agency Approvals: RoHS Compliant
Smoke Alarms -- 2300838
from RS Components, Ltd.

Conventional Heat Sensor (Fixed Heat, 92 [See More]

  • Visual Indicators: Combination
  • Agency Approvals: RoHS Compliant
Piezo Siren & Alarm -- FBPS102
from Ningbo Best Group Co., Ltd.

Piezo Siren, Piezo Alarm Manufacturers manufacturers, Ningbo FBELE Electronics Co.,Ltd. Our Piezo Siren, Piezo Alarm Manufacturers products are popular all over the world with high quality, competitive price, fast delivery and efficient service. [See More]

  • Visual Indicators: Combination
  • Supply Voltage: DC or Battery
Strobe and Siren Alarm -- Armored Strobe and Siren
from Pyott-Boone Electronics (PBE Group)

The 500-1679-001 Armored Siren with strobe consists of a strong and rust free aluminum die-cast cover housing, 105dB output siren driver, N/C plunger type tamper switch and strobe. This unit eliminates the need for the large siren box and tamper switch when installing the siren outdoors. Wiring... [See More]

  • Visual Indicators: Combination; Strobe
  • Flash Rate: 20 to 100
  • Specialty Applications: Safety
  • Operating Temperature: 14 to 140
Flashing Light Sounder, Pyra® Series -- PY X-LA-15
from Pfannenberg

Our PY X-LA-15 (UL Type 4/4x, IP 66, IK08) PYRA Series powerful flashing light sounder combination reach a huge visual 3D-coverage area, more as double as a 10 J flashing light. The sounder with 102 dB(A) is supporting the visual signal; both signals could be controlled separately. 180 ° x 360... [See More]

  • Visual Indicators: Combination; Flashing
  • Supply Voltage: AC; DC or Battery
  • Color: Clear; Red; Amber; Yellow; Green; Blue; White
  • Agency Approvals: UL
Bilge Alert -- High Water System
from Johnson Pump, An SPX Brand

The Bilge Alert ™ system uses a patented Mirus ™ field effect detector cell, which produces a micro-electrical field that detects disruptions caused by water and fluids. When activated the sensor will trigger a 100db piezo alarm and an LED light on the control panel. The sensor measures... [See More]

  • Visual Indicators: Combination; LED Display
  • Flash Type: Continuous
  • Specialty Applications: Safety; Boat Water Level
  • Color: Red
Process Instrumentation, Process Protection, SITRANS CU02 Alarm Control Unit
from Siemens Process Instrumentation

SITRANS CU02 is an alarm control unit for use with the SITRANS AS100 acoustic sensor. It provides reliable continuous protection for bulk solids flow. The system can be readily configured for set points indicating conditions such as high flow, low flow or no flow or added to a control loop via a 4... [See More]

  • Visual Indicators: Combination
  • Specialty Applications: Process Monitoring
Fluid Level Alert for Safety and Control -- PMC Lev-ALERT
from PMC Engineering LLC

The PMC Lev-ALERT can provide visual or audio warnings when the fluid/water/sewage reach dangerous levels. It also provides switch outputs to control appropriate output pumps or input valves. Fully configurable to customer needs. Single warning light, or multiple stack lights. Displays and... [See More]

  • Visual Indicators: Combination
  • Supply Voltage: AC; DC or Battery
  • Specialty Applications: Process Monitoring
  • Mounting: Chassis, rack or DIN rail Mount
15W Indoor/Outdoor Armored Siren w/Blue Strobe -- 5011-SF-02
from SFCable.com

15W Indoor/Outdoor Armored Siren w/Blue Strobe [See More]

  • Visual Indicators: Combination; Strobe
  • Color: Blue
  • Specialty Applications: Security
Explosion Proof Combination Signal - 110 dB (A) / 5 Joule -- YL60
from R. STAHL, Inc.

Omnidirectional high output sounder 110 dB (A) / 1 m. 5 Joule xenon strobe. 2 stage alarm, independently selectable 2nd stage. IP66 rated as standard. Aluminium enclosure with stainless steel fasteners. Flash rate 1 per second. 32 selectable tones meeting international regulations. Sound selection... [See More]

  • Visual Indicators: Combination; Flashing
  • Flash Type: Single
  • Specialty Applications: Safety
  • Flash Rate: 60
22mm Industrial Alarms with LED Lights -- ZT016LDCTR
from Mallory Sonalert Products, Inc.

Series: 22mm Industrial Alarms with LED Lights Mounting Method: 22 mm- Panel Mount Circuitry: Yes Sound Type: Continuous Freq (Hz): 3900.0 Volt Rating: 9 to 16 DC Typical Loudness (dBa): 85 to 95 @ 2 ft Max Current (mA): 40 mA LED Color: Red CUL Approved: Yes Size: 22 x 43.5 mm Weight: 28 g... [See More]

  • Visual Indicators: Combination
  • Flash Type: Continuous
  • Specialty Applications: Industrial
  • Color: Red; Red
Piezo Siren & Alarm -- FBPS103
from Ningbo Best Group Co., Ltd.

Piezo Siren, Piezo Alarm Manufacturers manufacturers, Ningbo FBELE Electronics Co.,Ltd. Our Piezo Siren, Piezo Alarm Manufacturers products are popular all over the world with high quality, competitive price, fast delivery and efficient service. [See More]

  • Visual Indicators: Combination
  • Supply Voltage: DC or Battery
Flashing Light Sounder, Pyra® Series -- PY X-MA-05
from Pfannenberg

Our PY X-MA-05 (UL Type 4/4x, IP 66) PYRA ® Series Flashing Light Sounders reach a 100 dB (A) nominal sound pressure Level with 5 Joules Flash. This Signaling Device offers a 180 ° x 360 ° visible field with adjustable flash rate and 8 alarm tones. It operates in any climate and can be... [See More]

  • Visual Indicators: Combination; Flashing
  • Supply Voltage: AC
  • Color: Clear; Red; Amber; Yellow; Green; Blue; White
  • Agency Approvals: UL
Intrinsically Safe Combination Signal - 100 dB (A) / LED Beacon -- YL4IS
from R. STAHL, Inc.

Max sound output 100 dB (A) / 1 m. 8 LED array flashing beacon. 32 selectable tones meeting international regulations. Sound selection via DIL switch. Stainless steel fixings. Monitoring facility. Flame retardant ABS enclosure. Yodalex range. Combination audible and visual signal designed for use in... [See More]

  • Visual Indicators: Combination; Flashing
  • Color: Clear; Red; Amber; Green; Blue; Opal
  • Specialty Applications: Safety
  • Supply Voltage: DC or Battery
22mm Industrial Alarms with LED Lights -- ZT028LACM1R
from Mallory Sonalert Products, Inc.

Series: 22mm Industrial Alarms with LED Lights Mounting Method: 22 mm- Panel Mount Circuitry: Yes Sound Type: Chime Freq (Hz): 3900.0 Volt Rating: 20 to 28 AC/DC Typical Loudness (dBa): 85 to 95 @ 2 ft Max Current (mA): 40 mA LED Color: Red CUL Approved: Yes Size: 22 x 43.5 mm Weight: 28 g Operating... [See More]

  • Visual Indicators: Combination
  • Color: Red; Red
  • Specialty Applications: Industrial
  • Supply Voltage: AC; DC or Battery
Piezo Siren & Alarm -- FBPS12074
from Ningbo Best Group Co., Ltd.

Piezo Siren, Piezo Alarm Manufacturers manufacturers, Ningbo FBELE Electronics Co.,Ltd. Our Piezo Siren, Piezo Alarm Manufacturers products are popular all over the world with high quality, competitive price, fast delivery and efficient service. [See More]

  • Visual Indicators: Combination; Strobe
  • Supply Voltage: DC or Battery
Flashing Sounder -- BExCS/BExDCS
from Pfannenberg

Our Series BExCS, BExDCS (IP 67, NEMA 4) Flashing Sounders provide extremely intensive light reflection due to 5 joules xenon flash. This product is highly resistant to corrosion and suitable for the toughest environments. The flashing light is insensitive to vibration, impact and shock. Product... [See More]

  • Visual Indicators: Combination; Flashing
  • Color: Clear; Red; Amber; Yellow; Green; Blue
  • Flash Rate: 60
  • Supply Voltage: AC; DC or Battery
Intrinsically Safe Combination Signal - 105 dB (A) / LED Beacon -- YL5IS
from R. STAHL, Inc.

Max sound output 105 dB (A) / 1 m. 8 LED array flashing beacon. 32 selectable tones meeting international regulations. Sound selection via DIL switch. Stainless steel fixings. Monitoring facility. Flame retardant ABS enclosure. Yodalex range. Combination audible and visual signal designed for use in... [See More]

  • Visual Indicators: Combination; Flashing
  • Color: Clear; Red; Amber; Green; Blue; Opal
  • Specialty Applications: Safety
  • Supply Voltage: DC or Battery
22mm Industrial Alarms with LED Lights -- ZT028LACTB
from Mallory Sonalert Products, Inc.

Series: 22mm Industrial Alarms with LED Lights Mounting Method: 22 mm- Panel Mount Circuitry: Yes Sound Type: Continuous Freq (Hz): 3900.0 Volt Rating: 20 to 28 AC/DC Typical Loudness (dBa): 85 to 95 @ 2 ft Max Current (mA): 40 mA LED Color: Blue CUL Approved: Yes Size: 22 x 43.5 mm Weight: 28 g... [See More]

  • Visual Indicators: Combination
  • Flash Type: Continuous
  • Specialty Applications: Industrial
  • Color: Blue; Blue
Flashing Sounder, Patrol Series -- PA X 1-05
from Pfannenberg

Our PA X 1-05 (UL Type 4/4x, IP 66) PATROL Series Flashing Sounders reach a 100 dB (A) nominal sound pressure Level with 5 Joules Flash and offers 80 alarm tones – based on alarm circumstance – with 4 stages. This Signaling Device operates in any climate and can be surface or flush-panel... [See More]

  • Visual Indicators: Combination; Flashing
  • Color: Clear; Red; Amber; Yellow; Green; Blue; White
  • Flash Rate: 60
  • Supply Voltage: AC; DC or Battery
22mm Industrial Alarms with LED Lights -- ZT028LACTC
from Mallory Sonalert Products, Inc.

Series: 22mm Industrial Alarms with LED Lights Mounting Method: 22 mm- Panel Mount Circuitry: Yes Sound Type: Continuous Freq (Hz): 3900.0 Volt Rating: 20 to 28 AC/DC Typical Loudness (dBa): 85 to 95 @ 2 ft Max Current (mA): 40 mA LED Color: White CUL Approved: Yes Size: 22 x 43.5 mm Weight: 28 g... [See More]

  • Visual Indicators: Combination
  • Flash Type: Continuous
  • Specialty Applications: Industrial
  • Color: White
Flashing Sounder, Patrol Series -- PA X 10-10
from Pfannenberg

Our PA X 10-10 (UL Type 4/4x, IP 66) PATROL Series Flashing Sounders reach a 110 dB (A) nominal sound pressure Level with 10 Joules Flash and offers 80 alarm tones – based on alarm circumstance – with 4 stages. This Signaling Device operates in any climate and can be surface or... [See More]

  • Visual Indicators: Combination; Flashing
  • Color: Clear; Red; Amber; Yellow; Green; Blue; White
  • Flash Rate: 60
  • Supply Voltage: AC; DC or Battery
22mm Industrial Alarms with LED Lights -- ZT028LACTG
from Mallory Sonalert Products, Inc.

Series: 22mm Industrial Alarms with LED Lights Mounting Method: 22 mm- Panel Mount Circuitry: Yes Sound Type: Continuous Freq (Hz): 3900.0 Volt Rating: 20 to 28 AC/DC Typical Loudness (dBa): 85 to 95 @ 2 ft Max Current (mA): 40 mA LED Color: Green CUL Approved: Yes Size: 22 x 43.5 mm Weight: 28 g... [See More]

  • Visual Indicators: Combination
  • Flash Type: Continuous
  • Specialty Applications: Industrial
  • Color: Green; Green
Flashing Sounder, Patrol Series -- PA X 20-15
from Pfannenberg

Our PA X 20-15 (UL Type 4/4x, IP 66) PATROL Series Flashing Sounders reach a 120 dB (A) nominal sound pressure Level with 15 Joules Flash and offers 80 alarm tones – based on alarm circumstance – with 4 stages. This Signaling Device operates in any climate and can be surface or... [See More]

  • Visual Indicators: Combination; Flashing
  • Color: Clear; Red; Amber; Yellow; Green; Blue; White
  • Flash Rate: 60
  • Supply Voltage: AC; DC or Battery
22mm Industrial Alarms with LED Lights -- ZT028LACTY
from Mallory Sonalert Products, Inc.

Series: 22mm Industrial Alarms with LED Lights Mounting Method: 22 mm- Panel Mount Circuitry: Yes Sound Type: Continuous Freq (Hz): 3900.0 Volt Rating: 20 to 28 AC/DC Typical Loudness (dBa): 85 to 95 @ 2 ft Max Current (mA): 40 mA LED Color: Yellow CUL Approved: Yes Size: 22 x 43.5 mm Weight: 28 g... [See More]

  • Visual Indicators: Combination
  • Flash Type: Continuous
  • Specialty Applications: Industrial
  • Color: Yellow; Yellow
Flashing Sounder, Patrol Series -- PA X 5-05
from Pfannenberg

Our PA X 5-05 (UL Type 4/4x, IP 66) PATROL Series Flashing Sounders reach a 105 dB (A) nominal sound pressure Level with 5 Joules Flash and offers 80 alarm tones – based on alarm circumstance – with 4 stages. This Signaling Device operates in any climate and can be surface or flush-panel... [See More]

  • Visual Indicators: Combination; Flashing
  • Color: Clear; Red; Amber; Yellow; Green; Blue; White
  • Flash Rate: 60
  • Supply Voltage: AC; DC or Battery
22mm Industrial Alarms with LED Lights -- ZT028LDCTB
from Mallory Sonalert Products, Inc.

Series: 22mm Industrial Alarms with LED Lights Mounting Method: 22 mm- Panel Mount Circuitry: Yes Sound Type: Continuous Freq (Hz): 3900.0 Volt Rating: 20 to 28 DC Typical Loudness (dBa): 85 to 95 @ 2 ft Max Current (mA): 40 mA LED Color: Blue CUL Approved: Yes Size: 22 x 43.5 mm Weight: 28 g... [See More]

  • Visual Indicators: Combination
  • Flash Type: Continuous
  • Specialty Applications: Industrial
  • Color: Blue; Blue
LED Flashing Sounder -- IS-mC1
from Pfannenberg

Our Series IS-mC1 (IP 65) blinking led light with sounder is a very economical visual and acoustic alarm, intrinsically safe when used with zener barriers. This product is very well suited for fire alarm systems and direct control due to low power consumption. Product Overview. ATEX certified for... [See More]

  • Visual Indicators: Combination; Flashing
  • Supply Voltage: DC or Battery
  • Color: Red; Yellow; Green; Blue
  • Features: Explosion Proof
22mm Industrial Alarms with LED Lights -- ZT028LDCTC
from Mallory Sonalert Products, Inc.

Series: 22mm Industrial Alarms with LED Lights Mounting Method: 22 mm- Panel Mount Circuitry: Yes Sound Type: Continuous Freq (Hz): 3900.0 Volt Rating: 20 to 28 DC Typical Loudness (dBa): 85 to 95 @ 2 ft Max Current (mA): 40 mA LED Color: White CUL Approved: Yes Size: 22 x 43.5 mm Weight: 28 g... [See More]

  • Visual Indicators: Combination
  • Flash Type: Continuous
  • Specialty Applications: Industrial
  • Color: White
22mm Industrial Alarms with LED Lights -- ZT028LDCTG
from Mallory Sonalert Products, Inc.

Series: 22mm Industrial Alarms with LED Lights Mounting Method: 22 mm- Panel Mount Circuitry: Yes Sound Type: Continuous Freq (Hz): 3900.0 Volt Rating: 20 to 28 DC Typical Loudness (dBa): 85 to 95 @ 2 ft Max Current (mA): 40 mA LED Color: Green CUL Approved: Yes Size: 22 x 43.5 mm Weight: 28 g... [See More]

  • Visual Indicators: Combination
  • Flash Type: Continuous
  • Specialty Applications: Industrial
  • Color: Green; Green
22mm Industrial Alarms with LED Lights -- ZT028LDCTY
from Mallory Sonalert Products, Inc.

Series: 22mm Industrial Alarms with LED Lights Mounting Method: 22 mm- Panel Mount Circuitry: Yes Sound Type: Continuous Freq (Hz): 3900.0 Volt Rating: 20 to 28 DC Typical Loudness (dBa): 85 to 95 @ 2 ft Max Current (mA): 40 mA LED Color: Yellow CUL Approved: Yes Size: 22 x 43.5 mm Weight: 28 g... [See More]

  • Visual Indicators: Combination
  • Flash Type: Continuous
  • Specialty Applications: Industrial
  • Color: Yellow; Yellow
22mm Industrial Alarms with LED Lights -- ZT028LDMT1R
from Mallory Sonalert Products, Inc.

Series: 22mm Industrial Alarms with LED Lights Mounting Method: 22 mm- Panel Mount Circuitry: Yes Sound Type: Multi-Tone Freq (Hz): 3900.0 Volt Rating: 20 to 28 DC Typical Loudness (dBa): 85 to 95 @ 2 ft Max Current (mA): 40 mA LED Color: Red CUL Approved: Yes Size: 22 x 43.5 mm Weight: 28 g... [See More]

  • Visual Indicators: Combination
  • Color: Red; Red
  • Specialty Applications: Industrial
  • Supply Voltage: DC or Battery
30mm Alarms with LED Lights -- LSC110NR
from Mallory Sonalert Products, Inc.

Series: 30mm Alarms with LED Lights Mounting Method: Panel- Screw Terminals Circuitry: Yes Tech Type: Piezo + LED Sound Type: Continuous Freq (Hz): 2900.0 Volt Rating: 30 to 120 AC/DC Typical Loudness (dBa): 88 to 98 @ 2 ft Max Current (mA): 63 mA LED Color: Red CUL Approved: No Size: 1.69 x 1.41 in... [See More]

  • Visual Indicators: Combination
  • Color: Red; Red
  • Flash Type: Continuous
  • Supply Voltage: AC; DC or Battery
30mm Stacklight with Sound -- JR16-G-4LCT1
from Mallory Sonalert Products, Inc.

Series: 30mm Stacklight with Sound Mounting Method: Pole Mount- Wires Sound Type: Continuous Volt Rating: 9 to 16 DC Typical Loudness (dBa): 80 to 85 @ 1 m Max Current (mA): 50 mA LED Color: Green Size: 1.21 x 4.52 in Weight: 105 g Operating Temperature: '-30 ¬ ∞ to 60 ¬ ∞ C... [See More]

  • Visual Indicators: Combination
  • Color: Green; Green
  • Flash Type: Continuous
  • Supply Voltage: DC or Battery
30mm Stacklight with Sound -- JR16-G-DLCT1
from Mallory Sonalert Products, Inc.

Series: 30mm Stacklight with Sound Mounting Method: Direct Mount- Wires Sound Type: Continuous Volt Rating: 9 to 16 DC Typical Loudness (dBa): 80 to 85 @ 1 m Max Current (mA): 50 mA LED Color: Green Size: 1.21 x 0.52 in Weight: 32 g Operating Temperature: '-30 ¬ ∞ to 60 ¬ ∞ C... [See More]

  • Visual Indicators: Combination
  • Color: Green; Green
  • Flash Type: Continuous
  • Supply Voltage: DC or Battery
30mm Stacklight with Sound -- JR16-R-4LCM1
from Mallory Sonalert Products, Inc.

Series: 30mm Stacklight with Sound Mounting Method: Pole Mount- Wires Sound Type: Chime Volt Rating: 9 to 16 DC Typical Loudness (dBa): 80 to 85 @ 1 m Max Current (mA): 100 mA LED Color: Red Size: 1.21 x 4.52 in Weight: 105 g Operating Temperature: '-30 ¬ ∞ to 60 ¬ ∞ C Storage... [See More]

  • Visual Indicators: Combination
  • Supply Voltage: DC or Battery
  • Color: Red; Red
  • Mounting: Pole; Pole Mount- Wires
30mm Stacklight with Sound -- JR16-R-DLCM1
from Mallory Sonalert Products, Inc.

Series: 30mm Stacklight with Sound Mounting Method: Direct Mount- Wires Sound Type: Chime Volt Rating: 9 to 16 DC Typical Loudness (dBa): 80 to 85 @ 1 m Max Current (mA): 100 mA LED Color: Red Size: 1.21 x 0.52 in Weight: 32 g Operating Temperature: '-30 ¬ ∞ to 60 ¬ ∞ C Storage... [See More]

  • Visual Indicators: Combination
  • Supply Voltage: DC or Battery
  • Color: Red; Red
  • Mounting: Direct Mount- Wires
30mm Stacklight with Sound -- JR16-RG-4LCM1
from Mallory Sonalert Products, Inc.

Series: 30mm Stacklight with Sound Mounting Method: Pole Mount- Wires Sound Type: Chime Volt Rating: 9 to 16 DC Typical Loudness (dBa): 80 to 85 @ 1 m Max Current (mA): 125 mA LED Color: RG Size: 1.21 x 4.92 in Weight: 108 g Operating Temperature: '-30 ¬ ∞ to 60 ¬ ∞ C Storage... [See More]

  • Visual Indicators: Combination
  • Supply Voltage: DC or Battery
  • Color: RG
  • Mounting: Pole; Pole Mount- Wires
30mm Stacklight with Sound -- JR16-RG-DLCM1
from Mallory Sonalert Products, Inc.

Series: 30mm Stacklight with Sound Mounting Method: Direct Mount- Wires Sound Type: Chime Volt Rating: 9 to 16 DC Typical Loudness (dBa): 80 to 85 @ 1 m Max Current (mA): 125 mA LED Color: RG Size: 1.21 x 0.92 in Weight: 35 g Operating Temperature: '-30 ¬ ∞ to 60 ¬ ∞ C Storage... [See More]

  • Visual Indicators: Combination
  • Supply Voltage: DC or Battery
  • Color: RG
  • Mounting: Direct Mount- Wires
30mm Stacklight with Sound -- JR16-RY-4LCT1
from Mallory Sonalert Products, Inc.

Series: 30mm Stacklight with Sound Mounting Method: Pole Mount- Wires Sound Type: Continuous Volt Rating: 9 to 16 DC Typical Loudness (dBa): 80 to 85 @ 1 m Max Current (mA): 145 mA LED Color: RY Size: 1.21 x 4.92 in Weight: 108 g Operating Temperature: '-30 ¬ ∞ to 60 ¬ ∞ C... [See More]

  • Visual Indicators: Combination
  • Color: RY
  • Flash Type: Continuous
  • Supply Voltage: DC or Battery
30mm Stacklight with Sound -- JR16-RY-DLCT1
from Mallory Sonalert Products, Inc.

Series: 30mm Stacklight with Sound Mounting Method: Direct Mount- Wires Sound Type: Continuous Volt Rating: 9 to 16 DC Typical Loudness (dBa): 80 to 85 @ 1 m Max Current (mA): 145 mA LED Color: RY Size: 1.21 x 0.92 in Weight: 35 g Operating Temperature: '-30 ¬ ∞ to 60 ¬ ∞ C... [See More]

  • Visual Indicators: Combination
  • Color: RY
  • Flash Type: Continuous
  • Supply Voltage: DC or Battery
30mm Stacklight with Sound -- JR16-RYG-4LCM1
from Mallory Sonalert Products, Inc.

Series: 30mm Stacklight with Sound Mounting Method: Pole Mount- Wires Sound Type: Chime Volt Rating: 9 to 16 DC Typical Loudness (dBa): 80 to 85 @ 1 m Max Current (mA): 185 mA LED Color: RYG Size: 1.21 x 5.32 in Weight: 112 g Operating Temperature: '-30 ¬ ∞ to 60 ¬ ∞ C Storage... [See More]

  • Visual Indicators: Combination
  • Supply Voltage: DC or Battery
  • Color: RYG
  • Mounting: Pole; Pole Mount- Wires
30mm Stacklight with Sound -- JR16-RYG-DLCM1
from Mallory Sonalert Products, Inc.

Series: 30mm Stacklight with Sound Mounting Method: Direct Mount- Wires Sound Type: Chime Volt Rating: 9 to 16 DC Typical Loudness (dBa): 80 to 85 @ 1 m Max Current (mA): 185 mA LED Color: RYG Size: 1.21 x 1.32 in Weight: 39 g Operating Temperature: '-30 ¬ ∞ to 60 ¬ ∞ C Storage... [See More]

  • Visual Indicators: Combination
  • Supply Voltage: DC or Battery
  • Color: RYG
  • Mounting: Direct Mount- Wires
30mm Stacklight with Sound -- JR16-Y-4LCT1
from Mallory Sonalert Products, Inc.

Series: 30mm Stacklight with Sound Mounting Method: Pole Mount- Wires Sound Type: Continuous Volt Rating: 9 to 16 DC Typical Loudness (dBa): 80 to 85 @ 1 m Max Current (mA): 85 mA LED Color: Yellow Size: 1.21 x 4.52 in Weight: 105 g Operating Temperature: '-30 ¬ ∞ to 60 ¬ ∞ C... [See More]

  • Visual Indicators: Combination
  • Color: Yellow; Yellow
  • Flash Type: Continuous
  • Supply Voltage: DC or Battery
30mm Stacklight with Sound -- JR16-Y-DLCT1
from Mallory Sonalert Products, Inc.

Series: 30mm Stacklight with Sound Mounting Method: Direct Mount- Wires Sound Type: Continuous Volt Rating: 9 to 16 DC Typical Loudness (dBa): 80 to 85 @ 1 m Max Current (mA): 85 mA LED Color: Yellow Size: 1.21 x 0.52 in Weight: 32 g Operating Temperature: '-30 ¬ ∞ to 60 ¬ ∞ C... [See More]

  • Visual Indicators: Combination
  • Color: Yellow; Yellow
  • Flash Type: Continuous
  • Supply Voltage: DC or Battery
30mm Stacklight with Sound -- JR16-YG-4LCT1
from Mallory Sonalert Products, Inc.

Series: 30mm Stacklight with Sound Mounting Method: Pole Mount- Wires Sound Type: Continuous Volt Rating: 9 to 16 DC Typical Loudness (dBa): 80 to 85 @ 1 m Max Current (mA): 110 mA LED Color: YG Size: 1.21 x 4.92 in Weight: 108 g Operating Temperature: '-30 ¬ ∞ to 60 ¬ ∞ C... [See More]

  • Visual Indicators: Combination
  • Color: YG
  • Flash Type: Continuous
  • Supply Voltage: DC or Battery