Acer X1261. Projector brightness: 2500 ANSI lumens, Projection technology: DLP, Native resolution: XGA (1024x768). Service life of lamp: 4000 h, Lamp power: 180 W, Lamp type: P-VIP. Focal length range (f-f): 21.79 - 23.99 mm. Vertical scan range: 50 - 120 Hz, Horizontal scan range: 30 - 100 kHz. RMS rated power: 2 W