Protect 4 windows or doors, add motion detection to 1 hallway or room, plus an Indoor Cam, and control it all from the Ring app. Best of all, Indoor Cam lets you see what's happening live anytime, anywhere.IncludesRing Alarm Base Station: The brains behind it all. The Base Station keeps your Ring Alarm online and connected to your devices.Ring Alarm Keypad: Easily arm and disarm your Alarm system, and more, while indoors.4 Contact Sensors: Secure each door and window in your home, and get alerts as soon as they open.1 Motion Detector: Place in each room or in hallways to get alerts when motion is detected indoors.1 Range Extender: Extend the signal from your Alarm Base Station to all its components.1 Indoor Cam: Check in on what’s happening at home with the compact HD camera that brings smart security inside.