Viewsonic Digital Projector PJ552, 1600 ANSI lumens, LCD, XGA (1024x768), 400:1, 15 - 91 kHz, 50 - 120 Hz Viewsonic Digital Projector PJ552. Projector brightness: 1600 ANSI lumens, Projection technology: LCD, Projector native resolution: XGA (1024x768). Light source type: Lamp, Service life of light source: 4000 h, Lamp power: 165 W. Focus: Manual, Digital zoom: 1,2x. Noise level: 38 dB. Market positioning: Portable