BenQ MX620ST, 3000 ANSI lumens, DLP, XGA (1024x768), 13000:1, 4:3, 30 - 300" BenQ MX620ST. 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. Focal length range: 10.2 - 12.24 mm, Aperture range (F-F): 2.6 - 2.78, Zoom ratio: 1.2:1. Analog signal format system: NTSC, PAL, SECAM, Supported graphics resolutions: 1024 x 768 (XGA), 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: USB Type-A