Photo Cell, 120 V ac, >1 W, 3-3/4 in Length, 1-9/16 in Width, 1-9/16 in Height, Heavy Duty Die Cast Housing Material, Gray, 15 A(Tungsten);8.3 A (Ballast), Automatic Switch, -40 °F Operating Temperature, +158 °F Operating Temperature, Stem Mount, 0.25 lb/EA