This classic 522 swing arm wall sconce features a turn-knob dimmer. Finish available in antique brass, polished brass, hand-brushed old bronze and satin nickel. Pin-up kit with 19 inch cord cover and 7 inch cord is optional and sold separately. One 100 watt, 120 volt, T4 DC Bayonet base halogen lamp not included. General light distribution. Back plate is 4.63 inches in diameter. Maximum arm extension is 21 inches.