The CRI of picture light reaches 90+, and the light color is naturally soft and realistic, providing lighting effects Wall lights have stepless dimming and three level color adjustment functions, with a brightness adjustment range of 10% to 100%. The wall sconces are powered by a 4000mAh rechargeable battery and can be continuously lit The battery charging interface is Type-C, which can be connected to USB sockets, mobile power supplies, laptops, etc. Picture lights for paintings are powered by batteries without the need for wiring or wiring. Installation is simple