Ring Alarm Contact Sensor (2nd Gen) 1-Pack - White (Certified Refurbished)


    Condition: Certified Refurbished

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    Expand your Ring Alarm system to secure each door and window in your home, and get alerts as soon as they open. Ring Alarm Contact Sensors mount to any door or window frame in your home for easy, DIY installation. Connect them to your Ring Alarm and receive mobile alerts from the Ring App so you’ll always be the first to know when something’s ajar. *Requires Ring Alarm Security Kit (Gen 2).


    Get instant mobile alerts when doors and windows open in your home

    Now smaller to enable increased placement options

    Easy installation with no tools required

    Mounts to door and window frames

    Includes two 3V CR2032 batteries

    Requires the Ring Alarm Base Station

    Additional Information

    Model Number: 4SD1SZ-0EN0

    UPC: 842861111064

    Ring Alarm Contact Sensor (2nd Gen) 1-Pack - White (Certified Refurbished)