Viewsonic PJD6221, 2700 ANSI lumens, DLP, XGA (1024x768), 2800:1, 16.78 million colours, Lamp Viewsonic PJD6221. Projector brightness: 2700 ANSI lumens, Projection technology: DLP, Projector native resolution: XGA (1024x768). Light source type: Lamp, Service life of light source: 3500 h, Service life of light source (economic mode): 5000 h. Focus: Manual. Serial interface type: RS-232. Noise level: 31 dB