... screen, led message sign,led sign, led board,led advertising display,led p Goods desription:led ... led screen, led message sign,led sign, led board,led advertising display,led panelCharacters: 53mm (8- ... USB cable:1.5m)Communication types: a) Infrared remote control b) Direct PC via RS232 or ... available for special symbols, graphics or logos User friendly upload software using window platform led display ...