Great for entrances and nooks, the Prevatt patio wall sconce has a touch of industrial style. Utilitarian features such as a cast iron elbow and a decorative cage on some items enhance the white glass shade, while the Charcoal finish adds to the historic feel. This sconce requires one A19, 60 Watt bulb that can be placed on a dimmer. UL Rated for outdoor use. Professional installation by an electrician is recommended.