BenQ EW800ST WXGA ST-Smart WHITE 1280x800 DLP 3300 Lumes ProjectorEnjoy engaging presentations with minimal risk of shadows with the BenQ EW800ST 3300 Lumen WXGA Short Throw DLP Projector. It features a short 0. 49: 1 throw ratio, which will allow you to place it very near your screen or another display surface, reducing the likelihood of someone passing in front of it and casting a shadow. Its 3300 lumens of brightness combined with its 20,000: 1 dynamic contrast ratio and 1280 x 800 native resolution will help