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 or warm white light or white light (3000K or 4000K or 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 or 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 or 30 or 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.