NEC M420X, 4200 ANSI lumens, LCD, XGA (1024x768), 2000:1, 25 - 300", 23.6 - 543.3" (0.6 - 13.8 m) NEC M420X. Projector brightness: 4200 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): 3500 h. Focus: Manual, Focal length range: 17.5 - 29 mm. Analog signal format system: NTSC, NTSC 4.43, PAL, SECAM. Serial interface type: RS-232