BenQ TH671ST, 3000 ANSI lumens, DLP, 1080p (1920x1080), 10000:1, 16:9, 762 - 7620 mm (30 - 300") BenQ TH671ST. Projector brightness: 3000 ANSI lumens, Projection technology: DLP, Projector native resolution: 1080p (1920x1080). Light source type: Lamp, Service life of light source: 4000 h, Service life of light source (economic mode): 10000 h. Focal length range: 10.2 - 12.24 mm, Aperture range (F-F): 2.6 - 2.78, Zoom ratio: 1.1:1. Analog signal format system: NTSC, PAL, SECAM, Supported graphics resolutions: 640 x 480 (VGA), 1920 x 1080 (HD 1080), Supported video modes: 480i, 480p, 576i, 576p, 720p, 1080i, 1080p. Serial interface type: RS-232, HDMI connector type: Full-size, HDMI version: 1.4a