The LSD400HD is part of ViewSonics Luminous Superior Series a lamp-free projector lineup designed for commercial and educational environments. Powered by 3rd-generation laser phosphor technology it provides 4000 Ansi Lumens brightness and an impressive lifespan of up to 30000 hours. Delivering ultra-large projections up to 300 in 1080p resolution this projector leverages high native contrast from a 0.65 DMD chip with DLP technology. Its lamp-free light source offers instant power on/off and a lifespan of up to 30000 hours without maintenance ensuring consistent image quality even during extended periods of use. Bright Images for Large Venues. Delivering 4000 Ansi Lumens the LSD400HD provides vibrant and sharp projection in 1080p FHD for meeting rooms classrooms and golf simulation setups. Unmatched Contrasts Enhanced Visibility. Experience enhanced visuals with the LSD400HD boasting high contrast thanks to DLP technology and an advanced 0.65" DMD chip from Texas Instruments. Featuring a sealed engine design (IP6X) it is filter-free preventing dust from affecting internal components and ensuring minimal maintenance.