NEC NP500, 3000 ANSI lumens, LCD, XGA (1024x768), 500:1, Lamp, 3000 h NEC NP500. Projector brightness: 3000 ANSI lumens, Projection technology: LCD, 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: 19.8 - 23.7 mm. Serial interface type: RS-232. Noise level: 35 dB