Photocontrol, Mounting Turn-Lock, Voltage 208 to 277V AC, Max. Wattage 4,155, Max. Incandescent Amps 15 A, Max. Ballast Amps 8.3 A, 0.5 Foot Candles On, 15 Foot Candles Off, Color Translucent/Red, Temp. Range -20 Degrees to 104 Degrees F, Length 2 3/4 in, Width 3 in, Depth 3 in, Enclosure Type Raintight, Contact Form SPST, Housing Material Polypropylene, Setting Dusk to Dawn, Standards ANSI C136.10