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2 years ago
Ring Alarm Contact Sensor (1st Generation)
Amazon £29 £8.99
Please note, this deal may have expired as it was posted more than a month ago!
Get instant mobile notifications when windows and doors are opened in your home.
Easy installation with no tools required.
Mounts to door and window frames.
3V lithium battery included.
Manage your Ring Alarm Contact Sensor and other Ring products with the Ring app.