BenQ MX819ST, 3000 ANSI lumens, DLP, XGA (1024x768), 13000:1, 4:3, 1524 - 7620 mm (60 - 300") BenQ MX819ST. Projector brightness: 3000 ANSI lumens, Projection technology: DLP, Projector native resolution: XGA (1024x768). Light source type: Lamp, Service life of light source: 4500 h, Service life of light source (economic mode): 10000 h. Zoom ratio: Fixed, Throw ratio: 0.61:1, Offset: 130%. Analog signal format system: NTSC, PAL, SECAM, Supported graphics resolutions: 1600 x 1200 (UXGA), 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