OttLite 848MG2 Total Flex Task Lamp in Champagne Gooseneck lets you easily adjust light positioning in a variety of configurations High tech design features easy to locate rocker switch Product Dimensions: Max Height: 18.00in Min. Height: 10.50in Base Diameter: 6.00in Work longer with less eyestrain Includes energy efficient 9 watt tube  rated to last up to 10,000 hours, bulb type Y