Tough to say at this juncture. The SkyBell Slim and HD have been out the longest with a variety of tweaks along the way but the VDB770 is very promising and works with ADC Video Analytics (which is required) but its only been on the market for about a month or so.
Specs for the SkyBell cameras can be found here
VDB 770 Here
https://support.suretyhome.com/t/what-cameras-can-i-use-with-alarm-com/3123/10?u=tyler