Buy on Amazon : br InFocus LP640 Business LCD Video Projectorbr br 1024 x 768 XGA native resolution 43 aspect ratio br 2200 ANSI lumens of brightness 4001 contrast ratio br Zoom lens with manual zoomfocus frontrearceiling projection br NTSC PAL SECAM HDTV 1080i 1080p 720p and 480p video compatibility br Optional wired and wireless networking