The LS711HD belongs to the Luminous Superior series of Viewsonic, a series of lamp-free projectors with a high brightness made for commercial and educational institutions. Thanks to the laser-phosphorus technology of the 3. It delivers up to 30,000 hours* long 4,000 ANSI lumens and guarantees bright and vivid images without changing the lamp. The lamp-free design offers an environment-friendly and economical solution, while the light and compact design of the projector reduces the transport costs. With a projection ratio of 0.49, the projector can deliver a seamless image on a 100-inch screen from a distance of only 1.1 m without creating shadows, WAS allows easy cross-fading of the edges to create an impressive experience. This projector features H/V keystone correction with 4-corner adjustment, 360-degree projection, and portrait mode for easy set-up and versatile applications.* â¥30,000 hours in Eco mode. The life of the light source may vary depending on actual use and other factors.This text is machine translated.