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Ring Alarm Contact Sensor (UK) Door and Window 4SDAE9-0EU0 - 4SDAE9-0EU0 - 842861107999 - Euroffice Ltd
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Amazon.com: Ring Contact Sensor Riser Spacer - Security Sensor Spacer for Wireless Home Security System, DIY Ring Alarm 2nd Gen Spacer for Door Window Home Security System Accessories, Sensor/Magnet Not Included :
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Ring Alarm Window and Door Contact Sensor 6-Pack (2nd Gen) in the Door & Window Sensors department at Lowes.com
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Ring Alarm Contact Sensor - 2nd Generation - door and window sensor - wireless - Z-Wave - white - Walmart.com
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