A slim Contact Sensor for windows and doors.

- Get real-time notifications the moment a door or window opens in your home
-New compact design blends in seamlessly with your home
- With a removable slim magnet for easy installation even when space is limited
- Easy, tool-free installation
- Mounts to doors and window frames
- Battery-powered
- Requires Ring Alarm Base Station
- Compatible with 1st and 2nd generation devices and accessories