BenQ SP870, 5000 ANSI lumens, DLP, XGA (1024x768), 2000:1, 300, 300", 31 - 93 kHz BenQ SP870. Projector brightness: 5000 ANSI lumens, Projection technology: DLP, Projector native resolution: XGA (1024x768). Light source type: Lamp, Service life of light source: 2000 h, Service life of light source (economic mode): 3000 h. Focus: Manual, Focal length range: 38.87 - 46.63 mm, Zoom ratio: 1.15:1. Analog signal format system: NTSC, PAL, SECAM. Serial interface type: RS-232