The Altech Signaling Devices have a fireproof plastic body, polycarbonate lens, and 8 signal variations. They operate on a voltage range of 12-24V AC/DC, 110V, and 220V AC, and consume 3.4W of current at 24V DC in rotating mode. The operating temperature ranges from -20 to +50 degrees Celsius, and for storage, the temperature range is from -20 to +70 degrees Celsius.