The Altech Signaling Devices are durable, easy-to-install, water and dust-resistant, UV-resistant, and LED-powered devices with 8 signal variations. They operate on 12-24V AC/DC, 110V, and 220V AC, consume 3.4W of current in rotating mode, and can operate in various temperatures from -20 to +50 degrees Celsius. They also have a safe storage range.