Epson Epson EB-475Wi. Projector brightness: 2600 ANSI lumens, Projection technology: LCD, Projector native resolution: WXGA (1280x800). Service life of lamp: 3000 h, Lamp power: 190 W, Service life of lamp (economic mode): 4000 h. RMS rated power: 16 W. USB connector type: USB A, USB B, Serial interface type: RS-232. Noise level: 35 dB, Noise level (economic mode): 28 dB