BenQ SH753+. Projector brightness: 5000 ANSI lumens, Projection technology: DLP, Projector native resolution: 1080p (1920x1080). Light source type: Lamp, Service life of light source: 2500 h, Service life of light source (economic mode): 4500 h. Focal length range: 20.7 - 31.05 mm, Aperture range (F-F): 2.42 - 2.97, Zoom ratio: 1.5:1. Supported graphics resolutions: 640 x 480 (VGA), 1920 x 1200 (WUXGA), Supported video modes: 480i, 480p, 576i, 576p, 720p, 1080i, 1080p. Serial interface type: RS-232