This happened a few times already.
Doorbell Pro detects motion and starts recording video but within a second of the motion, the video freezes and a loud static noise comes out of the doorbell.
The video freezes the moment the static noise starts. Had talked to support and they had recommended a reset of the unit, which has be done already. Problem reoccured a week or so later.
Found some reports in Reddit. Here’s a video of exactly how it sounds: