Viewsonic Projector PJ755D, 2700 ANSI lumens, XGA (1024x768), 2000:1, 25 - 246", 15 - 100 kHz, 43 - 120 Hz Viewsonic Projector PJ755D. Projector brightness: 2700 ANSI lumens, Projector native resolution: XGA (1024x768), Contrast ratio (typical): 2000:1. Light source type: Lamp, Service life of light source: 1500 h, Lamp power: 250 W. Focus: Manual, Digital zoom: 1.2x. Analog signal format system: NTSC 4.43, PAL, SECAM. Display diagonal: 0.7"