Optoma H185X. Projector brightness: 3700 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): 15000 h. Focal length range: 21. 85 ~ 24 mm, Zoom type: Manual, Zoom ratio: 1. 1:1. 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 M, PAL..., Supported 3D formats: Frame packing, Side by side, Top and bottom, Supported video modes: 480i, 480p, 576i, 576p, 720p, 1080i, 1080p. Serial interface type: RS-232, HDMI connector type: Full-size, HDMI version: 1. 4a