http://agent.liquiddigital.com.au/agent%20HD%20webcam%20specifications.htm
or
http://www.ipevo.com/prods/Point-2-View-USB-Camera/IPEVO
From technical perspective both should be fine, but maybe someone has more experience with “live production” on those…
I use the agent V5 and its excellent. The picture quality is outstanding and its tripod mountable, perfect for this application