Help secure outdoor gates, sheds, guesthouses, and windows with Ring Alarm Outdoor Contact Sensor. Get mobile alerts when your outdoor gate opens, or set the sensor to automatically trigger your Ring Alarm siren when armed in Home or Away mode.
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* Requires Ring Alarm or Ring Alarm Pro
* Optional 24/7 Professional Monitoring (requires an eligible Ring Protect subscription, sold separately)
* Ring Alarm and the professional monitoring service are available and ship only within the U.S. (excluding territories) and Canada