That's cool. I broke down and got a Ring which I like but don't necessarily trust...
Yeah, I don't want my security cameras streaming to the cloud - I don't really trust anyone with that plus it would eat up my internet (assuming other cameras were doing the same). I currently have a dBell which is WiFi but it is sketchy at best - the continuous stream cuts out 1/2 the time, notifications hardly work, etc.
I've been waiting for a good RTSP stream and if Ubiquiti's doorbell is anything like their cameras then I'll be a happy camper.
As an update, found a few specs and it runs off standard low voltage transformers similar to other video doorbells. Not sure if it will drop the voltage properly to ring an existing chime or not, but time will tell on that if they open up for more early access orders.
Adam