Viewsonic VIDEO PROJECTOR PJ750, 2.300 lumens, 350:1, 30 - 300", 15 - 80 kHz, 56 - 120 Hz, 290 W Viewsonic VIDEO PROJECTOR PJ750. Projector brightness: 2.300 lumens, Contrast ratio (typical): 350:1, Screen size compatibility: 30 - 300". Power consumption (typical): 290 W. Weight: 7.17 lbs (3.25 kg). Light source: Lamp 200W UHB compact, 2,000+ hour rating., Dimensions (WxDxH): 11.7 x 8.98 x 2.99" (298 x 228 x 76 mm), Power requirements: 90-132 VAC/198-264 VAC, 50-60Hz (universal)