led writing board, light box, advertising light box 1. shining, flashing 2.easy to write ... black or transparent), shock-proof and nice look; LED lights, plug, ballast with CE certification; remote ... customize any other size/shape;♥ Light sourceHigh quality LED lights (light on 2/4sides);♥ Color of ... span, more than 80000 hours—LED lights. with shining and flashing TEXT.♥ Technicssilk-screen print or ...