Delicate layers of highly textured glass is subtly curved around an antique brass backplate. As light streams through layered glass, the rivers of texture are highlighted, giving any space a serene ambiance. Crafted of Steel and Textured Melted Ice Glass Antique Brass Backplate Outdoor safe in covered areas for mild weather only Professional Installation Recommended Backplate Dimensions: 4.25"H x 8"W x .5"D 2 bulbs required; Bulbs Not Included 40 Max Wattage; 120 Volts E12 Bulb Base Type Hardwire Compatible with Dimmer Switch