The Lite Source LSM-180WHT Magnify-Lite Magnifying Lamp with White Metal Shade, White is a metal magnifying lamp with a white finish. Utilizes 1, 22-Watt fluorescent bulb, type T9 (4 pin socket), included. An excellent value that can be used in any home. Fixture Dimensions: 23-Inch by 40.5-Inch.Shade Dimensions: top diameter 9-Inch, top width 9-Inch, height 3-Inch, base diameter 9-Inch, base width 9-Inch. Weight is 8-Pound. On/off rocker socket 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.