Optoma UHZ35. Projector brightness: 3500 ANSI lumens, Projection technology: DLP, Projector native resolution: UHD 4K (3840x2160). Light source type: Laser, Service life of light source: 30000 h. Zoom type: Fixed, Throw ratio: 1.4:1 ~ 2.24:1, Offset: 116%. 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,..., 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..., Supported video modes: 480i, 480p, 576i, 576p, 720p, 1080i, 1080p. Serial interface type: RJ-45, RS-232