From the top of the wall mount of this vintage brass wall arm light with brass rain cap to the bottom of the cage, this light measures 15 inches tall. The brass rain cap cover that we added measures 8 inches wide and now has a rolled outside edge. The wall mount measures 4 1/2 inches wide and has two screw holes. When mounted to the wall, this antique brass bulkhead light will extend out from the wall by 18 1/2 inches. This light weighs about 8 pounds.