Anyone seen these being used?

Seems very convenient especially since all the requirements on afci protection on15 amp and 20 amp circuits now. Anyone came across these being used if so any reviews?

If you see a panel with regular breakers, always look for these. If the home run is 50 feet and under for #14 and 70 feet and under for #12 you can use these are the first outlet in new builds.

Yes, and the test button worked fine.