Electronic writing board 1.LED display/sign/panel/tablet 2. ... 4.Output:DC12V Maximum impact advertising of Electronic Writing boardDifference LED Color,difference effects:Electronic writing board specification: Model No.JD35DXJD46DXJD57DXJD66DXJD68DXProduct ... , bars, clubs, theater, mesume, book shop, super market, special store, hairdressers, commercial centers, night mrket etc.2.for notice in ...