Optoma X309ST. Projector brightness: 3700 ANSI lumens, Projection technology: DLP, Projector native resolution: XGA (1024x768). Light source type: Lamp, Service life of light source: 6000 h, Service life of light source (economic mode): 10000 h. Fixed focal length: 0.281" (7.15 mm), Throw ratio: 0.617:1, Offset: 115%. Analog signal format system: NTSC, NTSC 3.58, NTSC 4.43, NTSC J, NTSC M, PAL, PAL 4.43, PAL B, PAL D, PAL G, PAL H, PAL I, PAL..., Supported 3D formats: Frame packing, Side by side, Top and bottom, Supported graphics resolutions: 640 x 480 (VGA), 800 x 600 (SVGA), 1024 x 768 (XGA), 1280 x 1024 (SXGA), 1280 x 720 (HD 720), 1280.... Serial interface type: RS-232, HDMI connector type: Full-size, HDMI version: 1.4a