Easy to Charge and InstallThe 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 4000 mAh. 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 continuously adjustable to any level you want. The optimal light coverage is less than 127 x 127 cm. 2 wireless painting light modes: turn the LED light on/off, change the lighting color or adjust the brightness via the remote control or touch the button on the side of the light bar. Timer function for LED wall lamp: use the remote control to set the timer 15/30/60 minutes to turn off the light automatically. Battery Operated Work Light Size: 13" long from light bar, 7" distance from metal arm to wall. The 300 lumens bright glow can illuminate a 40 inch wide picture, painting, picture frame, statues, antique, decoration, etc. Note: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement.