3M X31, 2700 ANSI lumens, LCD, XGA (1024x768), 2000:1, 762 - 7620 mm (30 - 300"), 1.8 - 2.1 m 3M X31. Projector brightness: 2700 ANSI lumens, Projection technology: LCD, Projector native resolution: XGA (1024x768). Light source type: Lamp, Service life of light source: 3000 h, Service life of light source (economic mode): 6000 h. Focus: Manual, Focal length range: 19 - 23 mm, Zoom type: Manual. Analog signal format system: NTSC, NTSC 4.43, PAL, PAL M, PAL N, SECAM, Supported graphics resolutions: 1024 x 768 (XGA), 1600 x 1200 (UXGA), Supported video modes: 1080i, 480i, 480p, 576i, 720p. Serial interface type: RS-232, USB connector type: USB Type-A, USB Type-B