Optoma H117ST. Projector brightness: 3800 ANSI lumens, Projection technology: DLP, Projector native resolution: WXGA (1280x800). Light source type: Lamp, Service life of light source: 6000 h, Service life of light source (economic mode): 10000 h. Focal length range: 7.51 mm, Throw ratio: 0.52:1, Offset: 112%. Supported 3D formats: Frame packing, Side by side, Supported video modes: 480i,480p,576i,576p,720p,1080i,1080p. Serial interface type: RS-232, HDMI version: 1.4a