BenQ MX511, 2700 ANSI lumens, DLP, XGA (1024x768), 3000:1, 584.2 - 7620 mm (23 - 300"), 31 - 90 kHz BenQ MX511. Projector brightness: 2700 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: 21.95 - 24.18 mm, Zoom ratio: 1.1:1, Digital zoom: 2x. Analog signal format system: NTSC, PAL, SECAM. Serial interface type: RS-232