Samsung D400, 3000 ANSI lumens, DLP, XGA (1024x768), 3000:1, 30 - 70 kHz, 56 - 85 Hz Samsung D400. Projector brightness: 3000 ANSI lumens, Projection technology: DLP, Projector native resolution: XGA (1024x768). Light source type: Lamp, Service life of light source: 2000 h, Service life of light source (economic mode): 2500 h. Offset: 125%. Serial interface type: RS-232. Noise level: 30 dB