Product details:

Matching Harp And Finial Included - Specifications:Number of Bulbs: 1Bulb Base: Medium (E26)Bulb Type: Incandescent - Bulb Included: No - Watts Per Bulb: 150Wattage: 150Dimmable: Yes - Height: 30"Depth: 13"Width: 19"Shade Height: 12.25"Shade Top Diameter: 12"Switch Type: 3-Way - Lamping Technologies:Bulb Base - Medium (E26): The E26 (Edison 26mm), Medium Edison Screw, is the standard bulb used in 120-Volt applications in North America. E26 is the most common bulb type and is generally interchangeable with E27 bulbs. - Compatible Bulb Types: Nearly all bulb types can be found for the E26 Medium Base, options include Incandescent, Fluorescent, LED, Halogen, and Xenon / Krypton.