Ring Alarm Contact Sensor (2nd Gen)
Price: $19.99
(as of Mar 17, 2025 04:19:25 UTC – Details)

Get instant mobile alerts when doors and windows open in your home.
Now smaller to enable increased placement options.
Easy installation with no tools required.
See more. Know more. Protect more. – Record 24/7 on your eligible cameras, scroll back in time to rewatch what you missed, get alerts for people and package, and so much more with an compatible Ring Home subscription (sold separately).
Includes two 3V CR2032 batteries.
Requires the Ring Alarm Base Station.

Customers say

Customers find the contact sensor easy to set up and connect to their existing Ring security system. They say it works well and provides good value for money. The size is also appreciated. However, some customers have mixed opinions on sensor quality and battery life.

AI-generated from the text of customer reviews