Mami Wall Sconce available in a glossy black nickel finish with white glass shades. Available in small, medium, and large sizes. One 30/40 watt, 120 volt JCD type G9 base halogen bulb is required, but not included. Small: 7.87 inch width x 7.87 inch height x 6 inch depth. Medium: 11.81 inch width x 11.81 inch height x 6 inch depth. Large: 15.75 inch width x 15.75 inch height x 6 inch depth.