Photocontrol, Mounting Stem, Voltage 208 to 277V AC, Max. Wattage 4,150, Max. Incandescent Amps 15 A, Max. Ballast Amps 8.3 A, 1.0 to 5.0 Foot Candles On, 3 to 15 Foot Candles Off, Color Gray, Temp. Range -40 Degrees to 158 Degrees F, Length 3 in, Width 1 9/16 in, Depth 1 9/16 in, Enclosure Type Raintight, Contact Form SPST, Housing Material Die-Cast, Setting Dusk to Dawn, Standards CSA, UL, Includes Locking Nut, Washer Gasket