The gradual curve of the Bronze ceiling lamp allows an ample amount of light over any space. One 100w bulb included and the lamp is UL approved. Bulbs not included. Bulbs sold seperately, Max Watt 60 W, Size E26, Type A19. Color Matte Black Finish Metal Product Cover Upholstery Material or Type of Metal Aluminum 1 60W Type A19 Bulb s Bulb s Not Included Socket Size E26 Dimmer Yes add one dimmer switch Part of the Bronze Collection No Assembly Required Safety Rating True Overall Dimensions 15.8 D x 15.8 W x 16.9 H Base Dimensions 5.12 Dia x 0.98 H Shade Dimensions 15.75 D x 15.75 W x 16.93 H Shade Diameter Top, Bottom , 15.75 Diameter of Ceiling Plate 5.1 Item Weight 3 lbs. Please note that this product is designed for use in the United States only 110 volt wiring , and may not work properly outside of the United States.