BenQ MX750, 3000 ANSI lumens, DLP, XGA (1024x768), 3000:1, 660.4 - 8940.8 mm (26 - 352"), 16.78 million colours BenQ MX750. Projector brightness: 3000 ANSI lumens, Projection technology: DLP, Projector native resolution: XGA (1024x768). Light source type: Lamp, Service life of light source: 3000 h, Service life of light source (economic mode): 4000 h. Focal length range: 2.68 - 2.84 mm, Zoom ratio: 1.6:1. Analog signal format system: NTSC, PAL, SECAM. Serial interface type: RS-232