BenQ MX550, 3600 ANSI lumens, DLP, XGA (1024x768), 20000:1, 4:3, 762 - 7620 mm (30 - 300") BenQ MX550. Projector brightness: 3600 ANSI lumens, Projection technology: DLP, Projector native resolution: XGA (1024x768). Light source type: Lamp, Service life of light source: 5000 h, Service life of light source (economic mode): 10000 h. Zoom ratio: 1.1:1, Throw ratio: 1.96 - 2.15:1, Offset: 110%. Analog signal format system: NTSC, PAL, SECAM, Supported video modes: 480i, 480p, 576i, 576p, 720p, 1080i, 1080p. Serial interface type: RS-232