BenQ LW820ST WXGA ST Laser WHITE 1280x800 DLP 3500 Lumes ProjectorProduct Description The BenQ LW820ST is a short throw WXGA laser projector designed for classrooms, business presentations, training environments, and interactive learning spaces. Featuring DLP projection technology, 3600 lumens brightness, a 0. 52: 1 short throw ratio, and laser phosphor light source technology, this projector delivers large images from short distances while supporting reliable long term operation. With support for image sizes from