Photocontrol, Mounting Turn-Lock, Voltage 120 to 277V AC, Max. Wattage 1,000, Max. Incandescent Amps 8.3 A, Max. Ballast Amps 15 A, 10.0 to 20.0 Foot Candles On, 30 to 60 Foot Candles Off, Color Blue, Temp. Range -40 Degrees to 158 Degrees F, Length 3 1/5 in, Width 3 3/8 in, Depth 2 3/8 in, Enclosure Type Raintight, Contact Form SPST, Housing Material Polycarbonate, Setting Dusk to Dawn, Standards CETLU