Mini Horn, Signaling Device, Finish Red, Wall Mounting, Alarm Current 10 to 29mA DC, Peak Output (dBA) 80 dBA, Standby Current (uA) 0 uA, Depth (In.) 7/16 in, Height (In.) 4 5/8 in, Length (In.) 2 7/8 in, Width (In.) 2 7/8 in, Ambient Temp. Limits (F) 32 Degrees to 120 Degrees F, Coverage (Square-Ft.) 72 sq ft, Humidity Range ( Percent RH) 10 to 93 Percent RH, Standby State (mA) 0 mA, Voltage 12 to 24V, Standards CSFM, FM, UL, For Use With Fire Alarm Panel