Height: 4-7/8-Inch , Width: 4-1/2-Inch * Medium base porcelain socket with nickel plated copper screw shell uses one 35-75W PAR30 lamp * Copper alloy contacts provide precise spring action - no arcing, will not take a set and pulls to up position for two-circuit application * Polycarbonate body holds the painted formed steel shade on a swivel arm * 90-degree vertical aiming capability and 321 degree rotation