Yes, compatible wiring will allow Wyze Duo Cam Doorbell to charge while it’s mounted. Having constant external power will allow your doorbell to record an additional 3-6 seconds of pre-roll video before an event, allowing you to see more context for a video clip.
Note: You must have the rechargeable battery installed in Wyze Duo Cam Doorbell, even if hardwired.
Related article: Wyze Duo Cam Doorbell Installation Guide.