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Ring Alarm Open Window Magnet

by Ring
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Leave sliding windows and doors open to let fresh air in and still be protected with Open Window Magnets for Ring Alarm.

Security that’s open and shut.

The Alarm Contact Sensor connects to your Alarm Base Station and easily mounts to any door or window frame in your home. It sends you mobile notifications whenever your doors or windows open, so you’ll always be the first to know when something’s ajar.

  • Requires the Ring Alarm Security Kit
  • Triggers your Alarm when someone tampers with Contact Sensors

*Requires the Ring Alarm Security Kit.
*Intended for use with the Ring Contact Sensor (sold separately).


  • Dimensions 8.13 cm. x 1.27 cm. x 1.73 cm. (3.2 in. x 0.5 in. x 0.68 in.)
  • Available Colours White
  • Battery 3V lithium battery included
  • Battery life approximately three years
  • Connectivity Z-Wave (76 metre range to Base Station)
  • Mounting Mounts to door and window frames, mount with attached adhesive pad
  • Maximum distance between sensors 1.27 cm.
  • Operating conditions 0°C to 49°C (32°F to 120°F)
  • Setup Requirements Ring Alarm contact sensor & Alarm Base Station (sold with Alarm Security Kit)
  • Warranty 2-year limited warranty