... flashing modes 3.CE & RoHS approved 4.OEM available Application:New style led advertising board --- Restaurants,Hotel,Shopping Mall,Supermarket,Stores,Coffee Shops,Pubs, ... to do is wipe off the board with a soft cloth and re write your new message. The sign can be ... Advantages:1.Light Source:High quality fullcolor 5050 SMD LED Light Source2.Board:Transparent,high-hardness of ultra-clear glass3.Flashing ...