... /ROHS 4,competitive price and best service Hot selling LED writing board* led signs work in nights and days, especially ... clubs and any public places, they are ideal for advertising daily specials, drink specials, upcoming events or promotions,it could ... for backup4, Frame: Poly aluminium(black, golden, champange)5, Writing area: ultra-transparency glass or japan made shinkolite acrylic6, Backlight ...