Photocontrol, Mounting 3/8 In.-18 NPSM Thread, Voltage 105 to 305V AC, Max. Wattage 1,000, Max. Incandescent Amps 15 A, Max. Ballast Amps 8.3 A, 1.5 Foot Candles On, 2.25 Foot Candles Off, Color Gray, Temp. Range -40 Degrees to 158 Degrees F, Length 2 1/4 in, Width 1 1/3 in, Depth 1 1/4 in, Enclosure Type Raintight, Contact Form SPST, Housing Material Plastic, Setting Dusk to Dawn, Standards ANSI C136.24, CSA C22.2 No. 55-M1986/TIL -15, UL773, Includes Light Shield, Mounting Hardware