What’s more, there is a lifetime purchase protection so that if your Doorbell Pro is ever stolen, Ring will replace it at no additional cost to you. The Doorbell Pro is compatible with Amazon Alexa. Get it from Amazon: Ring Video Doorbell Pro. 3. Ring Video Doorbell 2View in galleryYou will be able to view, listen to, and talk to anyone at your door with the Ring Video Doorbell Pro. The Doorbell Pro is a second generation video doorbell that improves upon the original. Even with its ultra slim design 4. 5”x2”x1”, it’s still big on quality resolution 1080p HD and field of view 160 degrees. Even more, the wi fi connectivity is expanded with this model, supporting both2. 4 GHz and 5GHz bands, which translates into better performance for you. You will also experience improved performance when you position your router and/or wi fi extender near the front door.