The LS711HD belongs to ViewSonic's LS series, a lamp-free high-brightness projector lineup designed for commercial and educational spaces. With its adoption of the latest laser phosphor technology, it delivers 4,200 ANSI Lumens for up to 30,000 hours, ensuring bright and vivid images without lamp replacement. The lamp-free design offers an eco-friendly and cost-effective solution, while the projector‘s lightweight and compact design reduces transportation costs. With a 0.49 short throw ratio, the projector can deliver a seamless image on a 100” screen from just 3.6ft away without shadows, which enables effortless edge blending to create an immersive experience. This projector features a H/V keystone correction with 4 corner adjustment, 360° projection, and a portrait mode for easy setup and versatile applications.