Leave sliding doors and windows cracked open for ventilation and still have security with Open Window Magnets for Ring Alarm.
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Requires the Ring Alarm Security Kit
Triggers your Alarm when someone tampers with Contact Sensors
*Intended for use with the Ring Contact Sensor (sold separately). *Ships to the continental US (excluding American Samoa, Guam, Northern Mariana Islands, Puerto Rico, and the U.S. Virgin Islands) and Canada.