Carbon Monoxide Detector, Signaling Device, Finish White, Single Gang Box Mounting, Alarm Current 40mA, Peak Output (dBA) 85, Flash (Candela) -, Standby Current (uA) -, Depth (In.) -, Height (In.) 6 in, Length (In.) 6 in, Width (In.) 6 in, Duct Opening -, Duct Width (Ft.) -, Ambient Temp. Limits (F) 32 to 104, Coverage (Square-Ft.) -, Alarm Aux. Contact @ 250V -, Alarm Aux. Contact @ 30VDC 0.5 A, Alarm State (mA) -, Humidity Range ( Percent RH) 22 to 90, Number Required 1, Standby State (mA) 20