Photocontrol, Mounting 1/2 in Conduit, Flush, Voltage 208 to 277V AC, Max. Wattage 1,800, Max. Incandescent Amps 9 A, Max. Ballast Amps 4.6 A, 10.0 to 20.0 Foot Candles On, 30 to 60 Foot Candles Off, Color Gray, Temp. Range -40 Degrees to 158 Degrees...