After months and months of rumours, we can finally buy the Reolink Battery Doorbell. And it's on sale too!
Storage can be via Cloud or NVR or MicroSD. Further details on the website, but basically it's 2k and works with Alexa and Google Home.
Note: Chime not Included
If you want to buy the chime as well, make sure you buy it as a package to save about $2
Issues reported with this model including the mic.