BenQ MX501, 2500 ANSI lumens, DLP, XGA (1024x768), 4000:1, 609.6 - 7620 mm (24 - 300"), 1.073 billion colours BenQ MX501. Projector brightness: 2500 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): 6000 h. Focal length range: 21 - 23.1 mm, Zoom type: Manual, Zoom ratio: 1.1:1. 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: 480i, 480p, 576i, 576p, 720p. Serial interface type: RS-232