Optoma HD31UST. Projector brightness: 3400 ANSI lumens, Projection technology: DLP, Projector native resolution: 1080p (1920x1080). Light source type: Lamp, Service life of light source: 4000 h, Service life of light source (economic mode): 10000 h. Focus: Manual, Fixed focal length: 3.72 mm, Zoom type: Fixed. Analog signal format system: NTSC 3.58,NTSC 4.43,NTSC J,NTSC M,PAL 4.43,PAL B,PAL D,PAL G,PAL H,PAL I,PAL M,PAL N,SECAM..., 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 x..., Supported video modes: 480i,480p,576i,576p,720p,1080i,1080p. Serial interface type: RS-232, HDMI connector type: Full-size, HDMI version: 1.4a