3M DX70, 3800 ANSI lumens, DLP, XGA (1024x768), 2500:1, 16.78 million colours, 31.5 - 91 kHz 3M DX70. Projector brightness: 3800 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): 3000 h. Focus: Manual, Focal length range: 28 - 33.6 mm. Analog signal format system: NTSC, NTSC 4.43, PAL, SECAM. Serial interface type: RS-232