BenQ MX613ST, 2500 ANSI lumens, DLP, XGA (1024x768), 3000:1, 685,8 - 7620 mm (27 - 300"), 1.073 billion colours BenQ MX613ST. Projector brightness: 2500 ANSI lumens, Projection technology: DLP, Projector native resolution: XGA (1024x768). Light source type: Lamp, Service life of light source: 4000 h, Service life of light source (economic mode): 5000 h. Focal length range: 10.2 - 12.24 mm, Zoom ratio: 1.2:1, Digital zoom: 2x. Serial interface type: RS-232. RMS rated power: 10 W