BenQ MW855UST Network Pen and Touch Interactive Projector The BenQ MW855UST is the ideal classroom interactive projector solution. Delivers 3500 lumens bright image with large, easy to read text and graphics with crisp shadow details and rich, accurate colors. Its ultra-short throw design can deliver 100" diagonal image from a distance of only 32", enabling teachers to present their lessons free from projection light in their eyes, while its powerful 20W stereo output ensures lessons are clearly heard. Students will enjoy collaborative interactive learning with PointWrite pen and finger Touch optional interactive features.