Sharp XG-C330X, LCD, XGA (1024x768), 600:1, 15 - 70 kHz, 43 - 86 Hz, Lamp Sharp XG-C330X. Projection technology: LCD, Projector native resolution: XGA (1024x768), Contrast ratio (typical): 600:1. 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: 28 - 33.6 mm. Serial interface type: RS-232. Noise level: 36 dB