Prior to my existing opener, I had an older Liftmaster unit and attached
a Chamberlain WiFi adapter to it. When the Liftmaster finally went
kaput, I bought a Chamberlain WiFi ready opener. I am in complete
control over it with my phone. It alerts me whenever it opens and
closes. I can open or close it from my phone from anywhere. It has a
backup battery in case of power outage, which has happened a few times
and quite useful. SO far, the battery is functioning well with about 8
years since I bought it. Additionally, I can purchase (and have
purchased) other connective devices to control lights in the home. I am
very happy with it.

When you had the Chamberlain WiFi adapter, did that also require a batter-operated sensor on the door, and did that battery run low too often or die in winter??