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Alarm Open Window Magnet

Regular price 5.00 € 5.00 €

Alarm Open Window Magnet

Alarm Open Window Magnet

Regular price 5.00 € 5.00 €

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


*Alarm Open Window Magnet requires the Ring Alarm Base Station. Please note that on this site, Ring Alarm is only available for purchase in Ireland, Germany and Austria.


*Intended for use with the Ring Contact Sensor (sold separately).

Delivery & Returns


Please note that Ring Alarm is only available in Ireland and the U.K. and is not currently suitable for any other country in Europe.

Free delivery for orders above 40.
4,50 delivery costs for orders below €40.

Free Returns

You have 30 days from the date you receive your device(s) to request a full, no-questions-asked refund.

Please email or call our customer support team to request a return label. Return will be free of charge as long as it originates from the same country we delivered to.

More information about our Delivery and Returns policy.

Do I need a subscription?

Standard features such as instant notifications, live view and two-way talk are available out of the box and for free on all Ring devices.

Ring Protect allows you to review, save and share your videos. With a Ring Protect subscription, starting from 3 per month per device, store unlimited Ring footage in the cloud for 30 days, to rewatch, download to your own device or share with friends and family.

Get a 30-day trial of Ring Protect when you first set up your Ring device.

Learn more about Ring Protect.

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

Tech Specs

Size and Colour


8.13 cm. x 1.27 cm. x 1.73 cm. (3.2 in. x 0.5 in. x 0.68 in.)

Available Colours


Power and Connectivity


3V lithium battery included

Battery life

approximately three years


Z-Wave (76 metre range to Base Station)



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)



One-year limited warranty. If you are a consumer, the limited warranty is in addition to your consumer rights, and does not jeopardise these rights in any way. This means you may still have additional rights at law even after the limited warranty has expired. Learn more here.

Testing from developer - 11/12