Mini Horn, Signaling Device, Finish White, Wall Mounting, Alarm Current 10 to 29mA DC, Peak Output (dBA) 80, Standby Current (uA) 0, Depth (In.) 7/16 in, Height (In.) 4 5/8 in, Length (In.) 2 9/10 in, Width (In.) 2 7/8 in, Ambient Temp. Limits (F) 32 to 120 Degrees , Coverage (Square-Ft.) 72 sq ft, Humidity Range ( Percent RH) 10 to 93, Standby State (mA) 0, Voltage 12 to 24V, Standards CSFM, FM, UL, For Use With Fire Alarm Panel