Features: timed 60-minute light off function, stepless dimming, quick reading mode, three-color temperature adjustment, asymmetric light source, type-c interfaceSwitch Type: TouchLight source: LED (2835*48*0.5W/LED)Rated power: 5WRated voltage: 5V/1ALuminous flux (lm): 249LMColor rendering index: Greater than 85Product color temperature: 3000/4000/6500K ((Three colors adjustable)Product size: 330 x 83 x 29mmMaterial:ABScolour: blackPackage Contents:1 x LED desk lamp 1 x USB power cord 1 x English manualOnly the above package content, other products are not included.Note: Light shooting and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.