BenQ W710ST, 2200 ANSI lumens, DLP, 720p (1280x720), 10000:1, 660.4 - 7620 mm (26 - 300"), 1.073 billion colours BenQ W710ST. Projector brightness: 2200 ANSI lumens, Projection technology: DLP, Projector native resolution: 720p (1280x720). Light source type: Lamp, Service life of light source: 4500 h, Service life of light source (economic mode): 6000 h. Focal length range: 10.16 - 11.16 mm, Zoom ratio: 1.1:1, Digital zoom: 2x. Analog signal format system: NTSC, PAL, SECAM, Supported graphics resolutions: 1280 x 720 (HD 720), 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