Ring 4SD1SZ-0EN0 Contact Sensor

RingAVAD SKU: 602878 MPN: 4SD1SZ-0EN0

In stock (8 units), ready to be shipped

The Ring Alarm Contact Sensor expands your Ring Alarm and adds an extra layer of security to your home. You can attach Alarm Contact Sensors to any door or window in your house or apartment, and when armed, you’ll get instant alerts on your phone and tablet whenever they open. The Alarm Contact Sensor easily installs in minutes without any tools or professional installation required. Simply place your Contact Sensor on any door or window frame, connect it to your Ring Alarm Base Station, and you’re all setup!


  • A191   Requires the Ring Alarm Base Station                
  • Get alerts on your phone and tablet when doors or windows are opened
  • Monitor your home from any iOS or Android device
  • Mounts to door and window frames

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