The Lite Source LS-241BLK Tekla Desk Lamp with Black Plastic Shade, Black is a plastic desk lamp with a black finish that features a lovely black plastic shade. Utilizes 1, 60-Watt incandescent bulb, type A (E27 socket, not included). Fixture Dimensions: 9-Inch x 16.5-Inch. Shade Dimensions: top diameter 2.5-Inch, height 4-Inch, base diameter 5.5-Inch. Weight is 3.3-Pound. On/off rocker base switch. Lite-Source, Inc. specializes in creating lighting products that can be used in any home. Their products include a range of kids products to chandeliers to task specialty lights, all the while providing an excellent value. The Lite-Source, Inc. catalog is one of the most extensive in the industry.