Optoma interactive DLP Projector - Optoma X307UST projector XGA ultra short throw 3300 lumens 3D specifics above differ slightly for this model - X307UST used once. Been on display since. as good as new. comews with remote and fixings. *no wall mounting bracket inc. It is perfect for businesses, schools and colleges. It is bright (4,000 lumens) and uses a new generation of TouchBeam finger-touch interactive technology, enabling several people to work simultaneously on the screen without using a pen. The throw ratio of 0.27:1 means that it can project a 100” image from less than 0.5m away. And having the projector installed so close to the screen avoids any shadows being cast across the screen from the presenter(s).It provides a complete package for engaging learning with many new features, including two HDMI inputs, powered USB port, powerful 16W built-in speaker, improved lamp life, compact chassis and a completely new mounting system for a fast and simple set-up.Ultra short throwWith an ultra-short throw lens, you can project an impressive image greater than 100” from just 55cm away. This allows you to place the projector closer to the wall, reducing shadows so you can present with ease; perfect for interactive applications.TouchBeam interactive technologyOptoma’s TouchBeam finger-touch interactive technology enables several people to work simultaneously on the screen without using a pen. It is easy to draw, annotate, zoom and rotate images on the projected screen. You can even open documents or browse the web without touching your computer. Designed for businesses, schools and colleges, multiple touch points allow for a more natural and intuitive way of interacting with digital content.High ContrastAdd more depth to your image with a high contrast projector; with brighter whites and ultra-rich blacks, images come alive and text appears crisp and clear - ideal for business and education applications.Full 3DOptoma projectors can display true 3D content from almost any 3D source, including 3D Blu-ray players, 3D broadcasting and the latest generation games consoles. Support for 144Hz rapid refresh rate provides ultra-smooth flicker free images.