3M WX20, 2000 ANSI lumens, LCD, WXGA (1280x800), 500:1, 762 - 7620 mm (30 - 300"), 1 - 11.6 m 3M WX20. Projector brightness: 2000 ANSI lumens, Projection technology: LCD, Projector native resolution: WXGA (1280x800). 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: 19 - 23 mm, Aperture range (F-F): 1.7 - 1.9. Analog signal format system: NTSC, PAL, SECAM. USB connector type: USB Type-B