Expand your Ring Alarm system to secure each door and window in your home, and hear chirps as soon as they open. Ring Alarm Contact Sensors mount to any door or window frame in your home for easy, DIY installation. Connect them to your Ring Alarm and receive mobile alerts from the Ring App so you’ll always be the first to know when something’s ajar.
Q: Is the battery replaceable in this detector?
A: Yes, the battery is replaceable in this detector.
Q: Does this device require other products to operate?
A: Yes, this device requires Ring Alarm or Ring Alarm Pro to operate.
Q: What kind of battery does the motion detector use?
A: The motion detector uses AA batteries.
Q: How many motion detectors are included in the package?
A: There are two motion detectors included in the package.
Q: Can this motion detector work with Alexa?
A: Yes, this motion detector works with Amazon Alexa.
Q: Does this motion detector require a subscription?
A: Yes, this motion detector requires a subscription for in-app features and digital notifications.
Q: What is the maximum wireless range of this device?
A: The maximum wireless range is 250 feet.
Q: Can I buy these individually and use them without buying any other ring products?
A: You would need a ring base station. You would then be able to control the sensor with the ring app on your phone.
Customers regard the Alarm Contact Sensor (2nd Gen) (2-Pack) highly for its ease of use and straightforward installation. The sensor's compact size and reasonable price are also well-received, along with its compatibility with the Ring system. However, some customers have reported issues with connection stability and range limitations.
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Expand your Ring Alarm system to secure each door and window in your home, and hear chirps as soon as they open. Ring Alarm Contact Sensors mount to any door or window frame in your home for easy, DIY installation. Connect them to your Ring Alarm and receive mobile alerts from the Ring App so you’ll always be the first to know when something’s ajar.

Act fast against burglaries with this SimpliSafe glass break sensor. It triggers an alarm if it detects the sound of shattering glass within its 20-foot range, providing reliable security even when no motion detector is used. This SimpliSafe glass break sensor utilizes detection algorithm and digital signal processing technologies for accurate sound recognition.

Expand your Ring Alarm system to secure each door and window in your home, and hear chirps as soon as they open. Ring Alarm Contact Sensors mount to any door or window frame in your home for easy, DIY installation. Connect them to your Ring Alarm and receive mobile alerts from the Ring App so you’ll always be the first to know when something’s ajar.

Expand your Ring Alarm system to secure each door and window in your home, and hear chirps as soon as they open. Ring Alarm Contact Sensors mount to any door or window frame in your home for easy, DIY installation. Connect them to your Ring Alarm and receive mobile alerts from the Ring App so you’ll always be the first to know when something’s ajar.
| Pros for Ring - Alarm Contact Sensor (2nd Gen) (1-Pack) - White | |||
|---|---|---|---|
| Ease of use, Installation, Performance, Compatibility, Size | Ease of use, Installation, Security, Sound Detection, Design | Ease of use, Installation, Performance, Compatibility, Size | Ease of use, Installation, Performance, Compatibility, Size |
| Cons for Ring - Alarm Contact Sensor (2nd Gen) (1-Pack) - White | |||
| Connection, Range, False Alarms, Motion Detection, Stickiness | Sensitivity | Connection, Range, False Alarms, Motion Detection, Stickiness | Connection, Range, False Alarms, Motion Detection, Stickiness |