Optoma UHZ66. Projector brightness: 4000 ANSI lumens, Projection technology: DLP, Projector native resolution: UHD 4K (3840x2160). Light source type: Laser, Service life of light source: 30000 h. Focal length range: 20.91 ~ 32.62 mm, Zoom type: Manual, Throw ratio: 1.4:1 ~ 2.24:1. Analog signal format system: NTSC, PAL, PAL B, PAL D, PAL G, PAL H, PAL I, PAL M, PAL N, SECAM, SECAM B, SECAM D, SECAM G,..., Supported graphics resolutions: 640 x 480 (VGA), 800 x 600 (SVGA), 1024 x 768 (XGA), 1280 x 1024 (SXGA), 1280 x 720 (HD 720), 1360.... Serial interface type: RS-232, HDMI connector type: Full-size