How to use led writing board?

How to use LED Writing Board, pls follow the bellow steps:
1. Use fluorescent marker pen to write message or draw pictures on the led writing board.
2. Wipe off the message or pictures easily with towel or tissue.
3. Hang the led writing board on the wall/window or place on tripod.
4. Connect the power adapter, change colors by remote control.
More information about LED Writing Board, pls read:  http://www.ledwritingboard.cn/