bout this item 
HIGH QUALITY CAPTURE: Never miss a moment with the U50 Document Camera. Capture stunning video from 1080p HD up to 1944p. The 30fps, 5mp capture means you can switch between using it as a webcam or use the overhead view to present documents. 
READY TO GO: Just plug into any USB connection and you're up and running! The arm features a built-in microphone, and an LED light you can turn on or off. The arm twists and bends at any angle to make setup and positioning easy. Everything folds away into a convenient portable travel package. 
EVERYTHING YOU NEED: Our webcams have it all. You can zoom in to 8x to show fine details, show specific sections of a document, or if you're sitting far away. The camera features a convenient autofocus button so you can always be sure you're getting crystal clarity. 
SUPERIOR COMPATIBILITY: AVer Document Cameras are designed to work out of the box with whatever program you need. The simple interface works with PC, Microsoft Windows, Mac, and Chromebooks.