Compact Horn Strobe, Marked Fire, Finish Red, Wall Mounting, Peak Output (dBA) 90 dBA, Flash (Candela) 15/185 cd, Standby Current (uA) 0 uA, Depth (In.) 1 15/16 in, Height (In.) 5 1/4 in, Length (In.) 5 1/4 in, Tube Length (Ft.) 1 ft, Width (In.) 3 1/2 in, Ambient Temp. Limits (F) 32 Degrees to 120 Degrees F, Alarm State (mA) 44 to 326 mA, Humidity Range ( Percent RH) 10 to 93 Percent RH, Standby State (mA) 0 mA, Voltage 12/24V DC, Standards CSFM, FM, UL Listed, Includes Mounting Plate