el poster,el advertisement,el panel,el sheet, el sign hight prightness, standard size A0-A6, any ... more vivid and distinguishedEL introduction1.Electric stimulate light: abbreviation EL, it is changed from electric energy into light energy ... it works, so commonly known as luminescence.2.the el light belongs to short wave,and is not dazzling ... thickness is less than 0.2mm High Quality El Flashing Poster