Epson PowerLite 7900NL Multimedia Projector, 4000 ANSI lumens, LCD, XGA (1024x768), 700:1, 762 - 7620 mm (30 - 300"), 16.78 million colours Epson PowerLite 7900NL Multimedia Projector. Projector brightness: 4000 ANSI lumens, Projection technology: LCD, 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. Focal length range: 28 - 37 mm. Serial interface type: RS-232. Noise level: 36 dB, Dot clock scanning frequency: 230 MHz