As usual, your comprehension is lacking. TO A FEW POSTING ON THIS MB… the camera is overpriced! The C2 @** $600 is ENOUGH** to suit their Thermal needs!!!
Different animals.
Inspector Outlet sells more than one tool to test GFCIs as well:
http://www.inspectoroutlet.com/extech-et10.aspx
vs.
You do this just to “push-my-buttons”, right? -(
Hee hee. 
As I suspected.
Have a good night! 
Ok, new lower price, I need to get this thing out the door. This is as low as I can go. Email me at sales@inspectoroutlet.com. InterNACHI members only.
Sold!