HoverCam DUO - Document Camera 12 Mega Pixels 4K Built-in Mic | Touchboards
The world's first document camera visualisers with 8.0 MegaPixel resolution. Outputs lag-free, uncompressed HD video over HDMI or SuperSpeed USB 3 cables
Amazon.com : HoverCam Solo 8 Plus 13MP Document Camera with Built-in Mic for Mac & PC, 4K Video : Office Products