The Lumi Mycena Wall/Ceiling Light features a White blown glass diffuser with a White finish. Three sizes and two lamping options available. Incandescent: One 100/150 watt max 120 volt medium base bulb is required, but not included. LED: Integrated 17 watt 120 volt 80CRI, 3000K, 1400 lumen output LED light source. Dimmable down to 20 percent. Small: 12.63 inch width x 12.63 inch height x 4.75 inch depth. Medium: 14.19 inch width x 15 inch height x 5.9 inch depth. Large: 18.13 inch width x 16.9 inch height x 7.5 inch depth. ETL listed.