Optoma ZH420. Projector brightness: 4300 ANSI lumens, Projection technology: DLP, Projector native resolution: 1080p (1920x1080). Light source type: Laser, Service life of light source: 30000 h. Focal length range: 16.9 - 21.61 mm, Zoom type: Manual, Zoom ratio: 1.3:1. Analog signal format system: NTSC 3.58, NTSC 4.43, NTSC J, NTSC M, PAL B, PAL D, PAL G, PAL H, PAL I, PAL M, PAL N, SECAM B,..., Supported 3D formats: Frame Sequential, 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.... Serial interface type: RJ-45, RS-232