ViewSonic PJD8633WS WXGA 1280x800 DLP Projector (Black) WXGA 1280x800 DLPprojector,3000 ANSI Lumens, 15000:1 Contrast, Ultra short throw (throw ration 0.375), 81" diagonal image from 2.1 feet Wired & WirelessLAN display, Mobile App for phones & tablets,LAN control & monitoring Crestron & AMX certified, PCless USB presentations (MS Office, PDF, pictures, videos)