The LED battery lights use USB charging and built-in 3000mAh battery. the rechargeable touch light can remember the last brightness level you set, no need to readjust everytime. Built-in back magnet can stick to metal surface directly,wireless portable for anywhere Minimalist and wireless design, can be used freely in living areas t is suitable for bedroom, wardrobe, hallway, closet, workshop, garage, staircase, corridor, storage room, attic, kitchen, cellar, refrigerator, , caravan, , worktable, worktable, etc. Light color:Warm Light Colour:black Material:aluminum Size:Length: 12cm Width: 5cm Height: 12cm Package Contents: 2 x wall lamp Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is 1-3cm.