Adesso 3392-01 Saber 26" LED Desk Lamp, Black A sleek design encompasses an energy-efficient, full-spectrum Saber LED desk lamp Full-spectrum means that the light more closely simulates natural daylight providing quality illumination for tasks and reading The joints at the shade and base also allow flexibility in height Lamp Dimensions: Max: 26" H x 4.5" W x 12"-22.5" D Shade Dimesions: 18" Length Base: 4.5" W x 7.25" D Takes 7.2W full-spectrum LED is integrated into the lamp and is not replaceable, but lasts 50,000 hours!