The BenQ LW855UST is an ultra short throw laser projector that delivers 3500 ANSI lumens of brightness and WXGA resolution, enabling sharp and clear images in classrooms. Its 0.35 ultra short throw ratio reduces shadows and reflections, enhancing interaction and collaboration during lessons. The projector supports BenQ's Infographic and Vivid color modes, offers IP6X dust protection, and has a 38,000-hour lifespan in Eco mode, making it a maintenance-free solution for educational use.