Epson EMP-TW680, 1600 ANSI lumens, LCD, WXGA (1280x720), 30 - 300", -15 - 15°, Lamp Epson EMP-TW680. Projector brightness: 1600 ANSI lumens, Projection technology: LCD, Projector native resolution: WXGA (1280x720). Light source type: Lamp, Service life of light source: 1700 h, Service life of light source (economic mode): 3000 h. Focus: Manual, Focal length range: 21.4 - 31.7 mm. Serial interface type: RS-232. Noise level: 26 dB http://hcc.techradar.com/node/7136 PDF-file