Toshiba TDP-T30U Mobile Multimedia DLP Projector 1800 ANSI lumens of brightness Up to 2000 - 1 contrast ratio 30 to 300 viewable screen size (diagonal); 3.9' to 34.7' projection distance; 1.69 - 2.05 - 1 throw ratio range Supports HDTV and DTV signals, including 480p, 720p, plus standard 480i progrssive-scan with its maximum XGA resolution of 1024x768 180W (144W in low mode) lamp included