Mini Horn, Signaling Device, Finish Red, Wall Mounting, Alarm Current 10 to 29mA DC, Peak Output (dBA) 80Standby Current (uA) 0, Depth (In.) 9/20, Height (In.) 4-3/5, Length (In.) 2-9/10Width (In.) 2-9/10Ambient Temp. Limits (F) 32 to 120, Coverage (Square-Ft.) 72Humidity Range ( Percent RH) 10 to 93Standby State (mA) 0, Voltage 12-24V, Standards UL, FM, CSFMFor Use With Fire Alarm Panel