NEC NP1250, 3700 ANSI lumens, LCD, XGA (1024x768), 600:1, 15 - 108 kHz, 48 - 120 Hz NEC NP1250. Projector brightness: 3700 ANSI lumens, Projection technology: LCD, Projector native resolution: XGA (1024x768). Service life of light source: 2000 h, Service life of light source (economic mode): 3000 h. Focal length range: 24.4 - 32.5 mm. Serial interface type: RS-232. Noise level: 33 dB