BenQ MX822ST, 3500 ANSI lumens, DLP, XGA (1024x768), 3500:1, 4:3, 1397 - 7620 mm (55 - 300") BenQ MX822ST. Projector brightness: 3500 ANSI lumens, Projection technology: DLP, Projector native resolution: XGA (1024x768). Light source type: Lamp, Service life of light source: 2500 h, Service life of light source (economic mode): 3000 h. Aperture range (F-F): 0 - 2.8, Zoom ratio: Fixed, Throw ratio: 0.626:1. Analog signal format system: NTSC, PAL, SECAM, Supported graphics resolutions: 1600 x 1200 (UXGA), 1920 x 1080 (HD 1080), 640 x 480 (VGA), Supported video modes: 1080i, 1080p, 480i, 480p, 576i, 576p, 720p. Serial interface type: RS-232, USB connector type: Mini-USB B, USB Type-A, USB Type-B