Removable Wireless Picture LightThe light bar is magnetic attached to the swing arm, removable for charging. USB charging cable is included. The built-in lithium battery has a battery life of 2000 mAh. just hang the lamp base on the wall. Rotating Light Head LED Wall Light - Light head can be rotated 230 up or down and The lighting arm can be rotated 180 up or down to adjust the lighting direction to meet any direction you need. 3 colors of light Dimmable Lighting and Brightness: There are 3 lights to choose from: warm light/warm white light/white light (3000K/4000K/5000K). 300 lumens, bright enough to illuminate your picture or artwork. The brightness is stepless adjustable to any level you want. Auto-off timer - Press 15min, 30min, 60min, on the remote control to set the timer. < p>Easy installation - Easy to install with the screws provided. The picture light is perfect for illuminating wall paintings, artwork, headboard pictures, mirror, dartboard, portraits, photos, posters, diplomas, library displays, collections, jewelry displays, etc.