A great fit for demanding middle & large classrooms & meeting rooms where cost is critical The VPL-CH350 delivers an outstanding brightness of 4000 lumens & ultra high-quality images with WUXGA resolution. Sony 3LCD Bright Era™ panel technology provides higher picture quality substantially brighter images higher efficiency consistent colour stability & longer durability. It also delivers installation flexibility environment-friendly features & a low total cost of ownership in a stylish design that blends into any decor. The lens shift/zoom capability & the image correction features easily allow users to fit any image onto the screen even from an offset projection angle. Additionally the projector is economically designed for optimum energy efficiency thanks to its energy saving features & has all the features & functionality that you would expect from Sony particularly in terms of installation projection usability & maintenance..