A good lamp is very important to protect your eyes when you are studying or working.Rest assured this desk lamp is ensuring its safety, performance, and energy efficiency. Specification Material: Metal, AcrylicColor temperature: 3000-5500KLight source: High light LEDBrightness: 10 level lighting brightness adjustablePower: 6Wled Light color:BlackLED life: about 30000 hrsPower Consumption Type: Super energy saving type Flexible three rotatable interfaces The adjustable arm is built of steel springs and tension control knobs, it can extend up to 50 cm of height and illuminates wider range. You can adjust the lighting angle as you want. Don't need to move your books around to get it in the light any more at night.