Optoma EW605ST. Projector brightness: 3100 ANSI lumens, Projection technology: DLP, Native resolution: WXGA (1280x800). Service life of lamp: 3000 h, Service life of lamp (economic mode): 4000 h. Vertical scan range: 25 - 85 Hz, Horizontal scan range: 15 - 91 kHz. RMS rated power: 2 W. Display number of colours: 1070 M