【Easy recharge and installation gallery lights】The 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 4000mAh， long run time. Seconds installation with screws(included), just hang the light base to the screw on wall . 【3 lighting colors and brightness dimmable】There 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 50×50 inches. 【2 switch modes for cordless painting lights】Turn 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 light】Use the remote control to set the timer15/30/60 minutes to turn OFF the light automatically. 【Size of the battery arts work lamp】13inch 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...