I have several overview cams on my house, which serve the purpose they are tasked to do. There is nothing wrong with having an overview cam. But as the others have stated, it will only tell you WHAT happened, not WHO did it. These two threads below touch upon the interaction of overview cams and ID cams.
So a guy came to the door yesterday, and while my wife did not open the door, it kind of spooked her out. She said he seem suspicious saying he found a driver's license on the lawn and wanted to know if it belonged to her. So when I got back from the range, I checked out the cams. This is one...
ipcamtalk.com
A lot of newbies ask for help with their camera setups and most think that they can get by with a single cam to cover quite a bit of area. While that is possible if all you are interested in is a wide-angle overview, it usually will not give you a great chance of getting a face shot good enough...
ipcamtalk.com
Picking a dome cam for outside mounting is not recommended due to the dome's propensity for attracting dust/dirt and water spots. Mounted that high, you will not have good access for cleaning every few weeks.
It is preferred to use turrets or bullets for outside mounting. The current go to cam for outdoors is the 5442 series of Dahua cams. They come in turrets and bullets with 2.8, 3.6, or 6mm fixed lenses, or a varifocal in 2.7-12mm or 8-32mm. You won't go wrong with them. But there are other less expensive cams that might possibly fit the bill if you define your requirements properly.
As others have stated, a fisheye cam for this application would not be recommended for the reasons stated above.
Be very careful of buying from vendors on Ali. Just because it has been around for 7 years does not mean it supplies good, useable cams. Most come with hacked Chinese firmware that are not upgradable. Most folks here buy from
@EMPIRETECANDY. He has an Ali storefront and an Amazon one. Or you could contact him directly via email or message him here.