This is a preliminary
Google Nest Hello DOORBELL
35 degree swivel mount for looking straight ahead
Rotate, Swivel, and adjust the doorbell up to 35 degrees in any direction. Screws are included to mount the doorbell to the bracket. Use your own screws for your wall installation. A center hole is included in the mount to route the wires.
Doorbell not included
Fits this doorbell on Amazon: