If your bird box is on a garage wall for example and the garage had mains sockets inside, then a small wide angle spy camera with a dc power supply and wifi video signal is all thats needed.
Prob similar to what @Jojoe has.
If your bird box is on a garage wall for example and the garage had mains sockets inside, then a small wide angle spy camera with a dc power supply and wifi video signal is all thats needed.
Prob similar to what @Jojoe has.