Optoma DW318. Projector brightness: 2500 ANSI lumens, Projection technology: DLP, Native resolution: WXGA (1280x800). Service life of lamp: 3000 h, Lamp power: 185 W, Service life of lamp (economic mode): 4000 h. Focal length range (f-f): 21.86 - 24 mm, Throw ratio: 1.55 - 1.7:1. Vertical scan range: 25 - 85 Hz, Horizontal scan range: 15.3 - 91.1 kHz. RMS rated power: 2 W