Viewsonic PJD5253, 3200 ANSI lumens, XGA (1024x768), 2400:1, 4:3, 762 - 7620 mm (30 - 300"), 1 - 8 m Viewsonic PJD5253. Projector brightness: 3200 ANSI lumens, Projector native resolution: XGA (1024x768), Contrast ratio (typical): 2400:1. Light source type: Lamp, Service life of light source: 10000 h, Service life of light source (economic mode): 6000 h. Zoom type: Auto/Manual, Digital zoom: 2x, Optical zoom: 1.1x. Analog signal format system: NTSC, NTSC 3.58, NTSC 4.43, PAL, PAL B, PAL D, PAL G, PAL H, PAL I, PAL M, PAL N, SECAM, SECAM B,..., Supported video modes: 1080i, 1080p, 480i, 480p, 576i, 576p, 720p. Serial interface type: RS-232, USB connector type: Mini-USB B