Easy recharge and installation gallery lightsThe wall picutre light bar is magnetic attached to the swing arm , detachable take down to charge. The USB charging cable is included. The lithium battery built-in is 4400mAh Seconds installation with screws(included), just hang the light base to the screw on wall . 3 lighting colors and brightness dimmableThere are 3 lighting to select: warm light/warm white light/ white light(3000k/4000k/5000k). 300Lumens super bright enough to lighting up your picture or statuary art work. The brightness is stepless dimming to any levels you would like.The optimal light coverage is under 5050 inches. 2 switch modes for cordless painting lightsTurn ON/OFF the led picture light , change the lighting color or adjust brightness via remote control or touch the button on side of the light bar. Timer function for led display wall art lightUse the remote control to set the timer15/30/60 minutes to turn OFF the light automatically. Size of the battery artwork lamp13inch long of the light bar, 7inch distance from metal arm to the wall. 300Lumens lighting glow can light up 40inch width picture,painting,photo frame,statues,antique,decor etc.