Carbon Monoxide Detector Signaling Device Finish White Single Gang Box Mounting Alarm Current 40mA Peak Output (dBA) 85 dBA 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 Degrees to 104 Degrees F Coverage (Square-Ft.) - Alarm Aux. Contact @ 250V - Alarm Aux. Contact @ 30VDC 0.5 A Alarm State (mA) - Humidity Range ( Percent RH) 22 to 90 Percent RH