... produce of Litelong company.Led Writing board / LED Flashing board/ LED illuminated writing board That is a potential and profitable ... and rewrite.Structures of led writing board: Free Accessories power adapter*1, hand controller*1, soft cloth*1, chain* ... green, purple, yellow, pink, orange, white, blue. Remote controller Li-battery: 1800MA, 2800MA, 5500MA Different flash modespurple, green, ...