The Viewsonic LS550WH is a lamp-free high brightness WXGA short throw projector for business and education. Built with advanced 3rd generation LED technology, the LS550WH provides 3,000 LED Lumens and eliminates frequent lamp replacement and toxic mercury for a safer and greener environment. Offering a phenomenal lifespan of 30,000 hours, less power consumption, true-to-life colours with 125% Rec.709, and instant power on/off capability for efficient use. The 0.49 short throw lens provides a 100 inch screen from just 1.06m away, delivering exceptional space efficiency and freeing presenters from blinding lights. Installation and setup are hassle-free with 360 degree tilt angle projection, H/V Keystone, and 4 corner adjustment capabilities.