Industrial Speaker/Amplifier, Supervised, Finish Gray, Powder Coated Paint, Wall Mounting, Alarm Current 0.7, Peak Output (dBA) 108 dBA, Flash (Candela) -, Standby Current (uA) 0.15 uA, Depth (In.) 8 1/4 in, Height (In.) 12 1/4 in, Length (In.) 7 15/16 in, Width (In.) -, Duct Opening -, Duct Width (Ft.) -, Ambient Temp. Limits (F) -40 Degrees to 150 Degrees F, Coverage (Square-Ft.) -, Alarm Aux. Contact @ 250V -, Alarm Aux. Contact @ 30VDC -, Alarm State (mA) -, Amps AC 0.7 A