Optoma DW322. 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: 21.85 - 24 mm, Zoom type: Manual, Zoom ratio: 1.1:1. 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), 1600 x 1200 (UXGA), 1920.... Serial interface type: RS-232, HDMI version: 1.4a