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Product Description
The Ring Alarm Contact Sensor 2-Pack (2nd Gen) offers enhanced home security with instant mobile alerts whenever a door or window is opened. Designed with a slim, compact profile, these sensors are now smaller to provide increased placement flexibility on a wide range of frames. Installation is effortless and tool-free, allowing you to mount each sensor quickly and securely. Each sensor is powered by a long-lasting 3V CR2032 battery, providing approximately three years of reliable operation. Please note, a Ring Alarm Base Station is required for use, and mobile alerts are available with a Ring Protect subscription (sold separately).