The Ring Chime Pro extends the Wi-Fi signal from your router to your Ring devices, so you can eliminate Wi-Fi dead zones and stay online. The Chime Pro plugs into any standard power outlet and amplifies your alerts, so you can get Ring notifications in any room of your home even if you’re not near your phone. The Chime Pro is a simple plug-and-play solution - all you need to do is plug the Chime Pro into a standard power outlet, connect it to your home Wi-Fi and all your Ring devices and you’re all set up