Optoma HD161X 1920 x 1080 2000 Lumens DLP Projectors40,000:1 (full on/full off) Cabinet Color: White Aspect Ratio: 16:9 native, 4:3 compatible Display Size: 25.5–325 (0.65–8.3 m) Brightness: 2000 Lumens Contrast Ratio: 40,000:1 (full on/full off) Throw Distance: 3.9'–32.8' (1.2–10 m) Input Video Compatibility: Two HDMI v1.4a, VGA-in, 3D VESA, component, composite video, 12V trigger Compatibility: Computer Compatibility: WUXGA, HD, UXGA, SXGA+, WXGA+, WXGA, SXGA, XGA, SVGA, VGA Video Input Compatibility: NTSC, PAL, SECAM, SDTV (480i), EDTV (480p), HDTV (720p, 1080i/p) 3D Compatibility: Supports all HDMI 1.4a mandatory 3D formats (Frame pack, side-by-side, top-bottom) and up converts frame rate from 60Hz to 120Hz or 24Hz to 144Hz (i.e 60 or 72 frames per eye). 3D glasses are needed and are sold separately. Refer to user manual for details.