Ricoh PJ WX5770, 5100 ANSI lumens, DLP, WXGA (1280x800), 2000:1, 16:10, 660,4 - 7620 mm (26 - 300") Ricoh PJ WX5770. Projector brightness: 5100 ANSI lumens, Projection technology: DLP, Projector native resolution: WXGA (1280x800). Light source type: Lamp, Service life of light source: 3000 h, Service life of light source (economic mode): 4000 h. Focus: Manual, Focal length range: 20.9109 - 323624 mm, Aperture range (F-F): 2,5 - 3,26. Serial interface type: RS-232C, HDMI connector type: Full-size. Noise level: 38 dB, Noise level (economic mode): 33 dB