Bright 5,000 lumens and 100,000:1 contrast ratio Laser light source provides up to 30,000 hours of life Ultra short 0.25:1 throw ratio PC-free USB image viewer, office document reader and video player Wireless display and smartphone casting Spectacular, large images from only inches away Enhance space constrained environments using large projections with the 5,000 lumens, WUXGA, ultra short throw Optoma ZU500UST. An ultra short 0.25:1 throw ratio delivers large projections from inches away, ideal for classrooms, meeting rooms, boardrooms and digital signage applications. Four corner geometric correction, 360° operation and up to 30,000 hours of light source life provide flexible installation and dependable operation. A PC-free image viewer and document reader display office documents, PDFs, images and videos from USB storage devices. Robust input options include HDMI, VGA and composite for connectivity to digital and analog video sources. LAN connectivity enables easy control via telnet and Crestron for managed installations.