Sansai smart led desk lamp w usb outlet 7w 450lm dimmable and easy colour temperture changing makes the desk light perfect for reading. Led technology makes the light run cooler and last longer. Perfect for the bedroom, living room or workplace.nbsp key features diffuser film to prevent glaring light extremely low power consumption life span extremely long. Multi-angle adjustments for optimized lighting life span gt 40 000 hours brightness control plusmn100lux color temp. Adjusted from 3000k ndash 6500k specifications usb charging outlet dc5v1a powered by usb 5v dimensions approx. 12.5 x 17 x 33cm - product size includes 1 x light 1 x usb cable please note wall adaptor is not included in set