Sharp PG-F255W, 2500 ANSI lumens, DLP, WXGA (1280x800), 1016 - 7620 mm (40 - 300"), 15 - 110 kHz, 45 - 85 Hz Sharp PG-F255W. Projector brightness: 2500 ANSI lumens, Projection technology: DLP, Projector native resolution: WXGA (1280x800). Light source type: Lamp, Service life of light source: 2000 h, Service life of light source (economic mode): 4000 h. Focus: Manual, Focal length range: 20.4 - 23.5 mm, Throw ratio: 1.8 - 2.1:1. Analog signal format system: NTSC 3.58. Serial interface type: RS-232