Add an extra level of defense against intrusion with this Ring Alarm Contact Sensor. When attached to your window or door, this sensor alerts you the moment movement is detected, providing point-of-entry protection. Compatible with the Ring Alarm base station (not included) this Ring Alarm Contact Sensor sends alerts directly to your phone.
Expand your Ring Alarm kit
The Alarm Contact Sensor requires the Ring Alarm Base Station and expands your whole-home security system.
Smart Security in your hands
Monitor your home from any iOS or Android device.
Instant mobile alerts
Get alerts on your phone and tablet when doors or windows are opened in your home.
Easily mounts to door and window frames with no tools or professional installation required.