Lite Source LSP-763BLK Holt Desk Lamp, Black And Silver Lite Source Desk Lamp with Black And Silver body, from the Holt Collection Shade Dimensions: 2.5 X 1-Inch bottom x 1.5-Inch height Lamp dimensions: 24-Inch x 18-Inch x 18-Inch Requires 1 x 18 Watt BI-PIN-socket PL-type bulb (not included)