Name: LED Writing Board Material: foam frame+ glass board+ led light(color) There are three sizes: A1: 64*43cm Unite: A1:4pcs/ctn 70*34*51mm G.W/N.W: A1:22KG/20KG Packing: 1pcs/opp bags+ white box There are three colors, silvery, black, wood grain. Product Description Please use the product according to the description: 1) First install the product on the shelf or hang it up. 2) Insert the power supply to the DC battery socket, the other side to the 220v battery socket. We will provide you the power supply. 3) After electrify, you can choose the color through press the button switches , then use the fluorescence pen write anything you need on the board . 4) It can be cleaned with paper or cloth. Attention: 1) This is electronic product, no waterproof, please keep dry. 2) The product is not toughened glass please put it firm and away from children. 3) The frame material is not metal material, please avoid damage. The color of the board is controlled by red switch broadside. Note: It can be custom made according to your need.