Modular LED video screens 1.48bit colors processing 2.Energy saving,Easy maintenance ... .Advanced dot adjusting 4.CE,ROHS Super brightness Modular LED video screens advertising 1) System structure 2)Led Module Module Size ... with PCInput Signal FormatVGA,DVI,RGBHV,PbPr(HDTV),Composite,S-Video,TVOperating SystemWINDOWS(98,2000,XP,Vista)6)Production Machine7)Qualification ...