Easy Charging & Installation: The gallery light's strip is magnetically attached to the swing arm, detachable for charging. A USB charging cable is included. The built-in lithium battery is 5000mAh, offering a 4-5 hour fast full charge and a 10-30 hour long runtime depending on brightness. Seconds to install with screws (included), simply hang the light base on the screw on the wall. 3 Light Colors & Dimmable Brightness: Choose from 3 lighting options: warm light/warm white light/white light (3000k/4000k/5000k). 300 lumens super bright, enough to illuminate your picture or statue artwork. Brightness is steplessly dimmable to any level you desire. Optimal illuminated area is under 50 inches. 2 Switch Modes: Turn the LED picture light ON/OFF, change lighting color, or adjust brightness via remote control or by pressing the button on the side of the light strip. Timer Function: Use the remote to set a 15/30/60 minute timer to automatically turn off the light. Dimensions: 13-inch long light strip, 7-inch distance from metal arm to wall. 300 lumens illumination can light up a 40-inch wide picture, painting, photo frame, statues, antiques, decor, etc.