【Easy to Charge and Install】The light strip is magnetically attached to the swing arm, detachable for charging. USB charging cable included. The built-in lithium battery has a battery life of 4000mAh. Second installation with screws (included), just hang the lamp base on the wall. 3 Lighting Colors and Dimmable 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 steplessly adjustable to any level you want. The optimal lighting area is less than 127 x 127 cm. 2 wireless painting light modes: turn on/off the LED light, change the lighting color or adjust the brightness via the remote control or press the button on the side of the light strip. LED Wall Light Timer Function: Use the remote control to set the timer 15/30/60 minutes to turn off the light automatically. Battery-powered work light size: 13" long from the light strip, 7" distance from metal arm to wall. The 300 lumens strong glow can illuminate a 40 inch wide picture, painting, picture frame, statues, antiques, decorations, etc.