BX327, business projector which comes with Great features like File Viewer (Office File) and embeded HD Divx. LG Projectors that use DLP technology are virtually immune to colour decay - they yellow/green tint that some projector develop over extended periods of usage. Because DLP projectors enjoy a technological advantage in protecting against colour decay, They offer an extended lifespan - lasting year after year. Easy to Maintain, Easy on Your Budget: LG DLP projectors use a filter free design to eliminate the need for filter cleaning and filter replacement, which not only reduces labour for support staff, but also saves money for companies or schools. Brilliant Color technology provides increased brightness in non primary colors and boosts overall color intensity through amplifying mid-tone color.