Pull Station, Hex Screw Reset, Single Action, Finish Red, Single Gang Box Mounting, Peak Output (dBA) -, Flash (Candela) -, Standby Current (uA) -, Depth (In.) 3 in, Height (In.) 4 3/4 in, Length (In.) 3 1/16 in, Width (In.) 3 1/16 in, Duct Opening -, Duct Width (Ft.) -, Coverage (Square-Ft.) -, Alarm Aux. Contact @ 250V -, Alarm Aux. Contact @ 30VDC -, Alarm State (mA) -, Amps AC 10A @ 120 V AC, Humidity Range ( Percent RH) -, Number Required -, Standby State (mA) -, Voltage 120V AC