It’s a year old video, but it still is pretty relevant I think.
Local Control Video Doorbells - Reolink, UniFi, Amcrest, Hikvision, Dahua. https://www.youtube.com/watch?v=6XCu6L0xn4Y&t=904s
If you’d rather read than watch the video, he has a nice companion blog. https://www.thesmarthomehookup.com/local-control-video-doorbells-reolink-unifi-amcrest-hikvision-dahua/
I once heard a consultant refer to it as “The Fog” because it’s like a cloud that you’re inside of. 🤮