BenQ SX751, 4300 ANSI lumens, DLP, XGA (1024x768), 13000:1, 4:3, 546.1 - 6850.4 mm (21.5 - 269.7") BenQ SX751. Projector brightness: 4300 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): 3500 h. Focal length range: 20.7 - 31.05 mm, Aperture range (F-F): 2.42 - 2.97, Zoom type: Manual. Analog signal format system: NTSC, PAL, SECAM, Supported graphics resolutions: 640 x 480 (VGA), 720 x 480, 720 x 576, 1024 x 768 (XGA), 1152 x 864 (XGA+), 1280 x 720 (HD 720),..., Supported video modes: 480i, 480p, 576i, 576p, 720p, 1080i, 1080p. Serial interface type: RS-232, HDMI connector type: Full-size