ring Video Doorbell 3 Plus - Install Your Video Doorbell; Select Your Install Height; Steps for Wiring to an Existing Doorbell

After setup, push the button on the front of your Video Doorbell to see video from the camera in the Ring app.
3. Install your Video Doorbell.
Select your install height.
Install Video Doorbell approximately four feet (1.20 metres) above the ground for optimal performance.
If you’re connecting to existing doorbell wiring that’s higher than four feet, thus limiting where you can install your
new Doorbell, use the provided wedge mount to angle your Doorbell down.
Steps for wiring to an existing doorbell