Benq MP622c. Projector brightness: 2200 ANSI lumens, Aspect ratio: 4:3, 16:9, Projection technology: DLP. Focal length range (f-f): 2.4 - 2.48 mm. Vertical scan range: 48 - 85 Hz, Horizontal scan range: 31 - 82 kHz. RMS rated power: 2 W. Noise level: 31 dB