BenQ MP623, 2500 ANSI lumens, DLP, XGA (1024x768), 2500:1, 16.78 million colors, 31 - 82 kHz BenQ MP623. Projector brightness: 2500 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: 20.7 - 22.8 mm, Zoom ratio: 1.1:1. Serial interface type: RS-232. RMS rated power: 2 W