The P4H is a 2-in-1 solution visualizer (Document Camera), with a 13-megapixel camera, 4K at 30fps streaming, and 30X digital zoom capability, it allows the teacher to show every detail without any missing, no matter for demonstrating books, or to show any materials. your students can see clear image whether they are in-class or remote, the foldable mechanical arm can be firmly folded into a neat body and stored in the bag, it is very convenient for the teacher to carry the device anywhere for teaching, recording, live streaming or planning of the course. Besides, the P4H has an easily operable control panel to improve teaching efficiency.