Classic triangular forms create the beautiful symmetry of the Amethyst ceiling lamp. Constructed of sturdy steel in an industrial finish with an aged patina. Bulbs not included. Bulbs sold seperately, Max Watt 40 W, Size E26, Type ST64. UL approved and listed. Color Rust Finish Metal 1 40W Type ST64 Bulb s Bulb s Not Included Socket Size E26 Dimmer Yes add one dimmer switch Part of the Amethyst Collection No Assembly Required Safety Rating True Overall Dimensions 21.3 D x 21.3 W x 80.7 H Base Dimensions 5.04 Dia x 1.18 H Shade Diameter Top, Bottom , 21.26 Diameter of Ceiling Plate 5.1 Item Weight 7 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.