Epson PowerLite 975W, 3600 ANSI lumens, 3LCD, WXGA (1280x800), 16:10, 736.6 - 7112 mm (29 - 280"), 15000:1 Epson PowerLite 975W. Projector brightness: 3600 ANSI lumens, Projection technology: 3LCD, Projector native resolution: WXGA (1280x800). Light source type: Lamp, Service life of light source: 10000 h, Lamp type: UHE. Focus: Manual, Focal length range: 18.2 - 29.2 mm, Aperture range (F-F): 1.51 - 1.99. Serial interface type: RS-232C. Noise level: 29 dB