Viewsonic PJD5221, 2700 ANSI lumens, DLP, XGA (1024x768), 3000:1, 30 - 300", 43.3 - 444.9" (1.1 - 11.3 m) Viewsonic PJD5221. Projector brightness: 2700 ANSI lumens, Projection technology: DLP, Projector native resolution: XGA (1024x768). Light source type: Lamp, Service life of light source: 3000 h, Lamp power: 220 W. Focus: Manual, Throw ratio: 1.86 - 2.04:1. Analog signal format system: NTSC M, PAL. Serial interface type: RS-232