Help secure outdoor gates, sheds, guesthouses, and windows with Ring Alarm Outdoor Contact Sensor. Subscribe to Ring Protect, sold separately, to 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.
Optional 24/7 Professional Monitoring (requires an eligible Ring Protect subscription, sold separately)
Ring Alarm and all Ring Alarm accessories require a subscription for in-app features and digital notifications, including digital arming / disarming and integration with other Ring, Echo, Alexa, and third party products. Subscription sold separately. View ring.com/protect-plans for pricing and details.
Ring Alarm and the professional monitoring service are available and ship only within the U.S. (excluding territories) and Canada
With its weather-resistant design, the Ring Alarm Outdoor Contact Sensor can withstand outdoor use in most climates. Easily mount the wireless sensor to your outdoor gates, sheds, storage containers, or windows to get alerts when they open or close.1 Outdoor Contact Sensor comes with mounting tape and screws for easy installation on most surfaces.
Plus, if you’ve enrolled in Professional Monitoring2, you can choose to receive a call from the monitoring center when the Outdoor Contact Sensor is triggered and request emergency assistance if needed.
Size and Color
Sensor + Magnet: 3.16 x 2.32 x 1.22 (inches); 8.02 x 5.89 x 3.1 (cm)
4.8 oz (136g)
Power and Connectivity
(2) AA alkaline batteries (included)
Expected battery life is up to 5 years with the included batteries. Battery life is dependent on device settings, usage, environment, and other factors.
-4°F to 120°F (-20°C to 49°C)
Z-Wave (250-foot range to Base Station open air, line of sight) (76 meter range to Base Station open air, line of sight)
1Ring Alarm and all Ring Alarm accessories require a subscription for in-app features and digital notifications, including digital arming / disarming and integration with other Ring, Echo, Alexa, and third party products. Subscription sold separately. View ring.com/protect-plans for pricing and details.
2A compatible Ring Protect subscription is required to enroll in the Ring Alarm professional monitoring service. Professional monitoring service is available only within the U.S. (all 50 states, but not U.S. territories) and in Canada (excluding Quebec). Ring does not own its own professional monitoring center. See Ring alarm licenses at: ring.com/licenses. Additional permit or false alarm fees may apply depending on your local jurisdiction. Additional charges may apply in areas that require permits or guard response service for alarm verification.