HP 2TX38AA Shareboard Camcorder - 1080p HD Video Recorder with Built-In Projector | Compatible with Smartphones, Tablets, PCs & TVs | Perfect for Business Meetings, Online Classes & Home Entertainment

This thing is magic. It’s basically a short throw camera mounted to the top of your white board with a button that starts real-time streaming of the whiteboard contents. What’s more, it tracks changes and allows you to export slides/PDFs of the whiteboard at various stages. Wonderful tool for working from home if you’re a whiteboarder! 100% recommended.