Sharp LCD Projector, 4000 ANSI lumens, LCD, XGA (1024x768), 450:1, Lamp, 3000 h Sharp LCD Projector. Projector brightness: 4000 ANSI lumens, Projection technology: LCD, Projector native resolution: XGA (1024x768). Light source type: Lamp, Service life of light source: 3000 h, Lamp power: 275 W. Focus: Manual. Serial interface type: RS-232. Noise level: 31 dB