The Optoma W306ST is designed to deliver unsurpassed short throw projection performance in classrooms and conference rooms. Whether your application calls for a wall-mount installation or table top presentations, the W306ST will dazzle your audience with its 3500 ANSI lumens bright image, 15,000:1 contrast ratio and vibrant, color-rich, razor sharp images. The short throw design minimizes unwanted shadows on the screen, allowing the audience to fully focus on the presentation. The Optoma W306ST is reliable and economical. Featuring the latest Optoma Eco+ advancements for ultra long lamp life, along with Optoma"s commitment to quality ensures your projector will provide years of care-free operation.