The Alarm Range Extender is the perfect solution for larger homes. It extends the network signal from your Ring Alarm Base Station to your Alarm Contact Sensors, Motion Detectors & Keypads, so you're always have a reliable connection. This will help ensure that all your Ring Alarm components stay online & avoid disconnecting from the internet. It's easy to install & plugs into any standard power outlet. & it also comes with a 24-hour backup battery, so even if your power goes out, your Extender will still be active.