Check the listing for details. IKEA JANSJÖ LED USB laptop computer USB lamp / JANSJO light. Condition: New. Listed at 7.68 USD. JANSJÖLED USB lamp Product dimensionsLuminous flux: 10 LumenKey features- You can easily direct the light where you want it because the lamp arm and head are adjustable.- The LED light source consumes up to 85% less energy and lasts 20 times longer than incandescent bulbs.Designer:A Efverlund/J JelinekPackage measurements and weightArticle Number: 702.912.32 Package: 1Width: 2 ¾ " (7 cm) Height: ¾ " (2 cm) Length: 3 ¼ " (8 cm) Weight: 1 oz (0.04 kg) People & PlanetSpecial waste handling may be required. Please contact your local authorities for more information. Good to knowBuilt-in LED light source. LED life approx. 20,000 hours. Light color: warm white (2700 Kelvin). Product descriptionShades/ Lens holder/ Reflector: ABS plastic Optical lens: Acrylic Arm: Steel, Paint ColorBlack, Copper, White, Wine / Red / PurpleMPN802.438.01, 702.898.04, 702.912.32