Ring Ring Alarm Contact Sensor (2nd Generation)

The Ring Alarm Contact Sensor (2nd generation) lets you know when doors or windows are open. The two-piece sensors connect wirelessly to the Ring Alarm Base Station via Z-Wave, which gives it a range of 250 feet. Sensors can be placed on any door or window in your home. The sensors work exclusively with the Ring Alarm Security System. The Contact Sensor consists of a sensor and a strong magnet. The sensor and magnet should be installed side-by-side, one on the door or window, and the other on the door/wi...