The LumensT PS760 is a professional high-definition multimedia document camera. With 20x optical zoom and 1080p / UXGA resolution that delivers clear images and crisp text every time, the LumensT PS760 is ideal for lecture halls and folds to just 6"(15 cm) height for storage in a podium or cart. The LumensT PS760 operates without a computer or with any interactive whiteboard software. Special features include a built-in backlight, support for USB mouse controllers, and stand-alone one-touch audio and video recording and playback. These features and its unlimited 5 year full REPLACEMENT warranty, make the LumensT PS760 a perfect choice for educators creating a innovative learning environment.