BenQ MX660, 3200 ANSI lumens, DLP, XGA (1024x768), 5000:1, 24 - 300", 1.073 billion colors BenQ MX660. Projector brightness: 3200 ANSI lumens, Projection technology: DLP, Projector native resolution: XGA (1024x768). Light source type: Lamp, Service life of light source: 3500 h, Service life of light source (economic mode): 5000 h. Focal length range: 21 - 23.1 mm, Zoom ratio: 1.1:1, Digital zoom: 2x. Analog signal format system: NTSC, PAL, SECAM. Serial interface type: RS-232