1.size: 50x70cm, 40x60,50x70,60x80 or according to your demand.2. power: 6W-18W.3. you can write anything on it. 4.CE,RoHS Key Specification1. LED Writting Board is Ultra thin, can write, drew as wanted, easy to wipe, convenient and can use repeatly;2. The words and drawings on LED Writting Board are luminous, like neon lights, brightness and attractive;3. LED writting board has applied Guide ...