Customer Ratings & Reviews
- Model:
- 4SD1SZ-0EN0
- SKU:
- 6403955
Rating by feature
- Value
Rating 4.7 out of 5 stars
- Quality
Rating 4.8 out of 5 stars
- Ease of Use
Rating 4.8 out of 5 stars
Customers are saying
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.
This summary was generated by AI based on customer reviews.
- Pros mentioned:Ease of use
Ring contact device
||Posted . Owned for 3 weeks when reviewed.This reviewer received promo considerations or sweepstakes entry for writing a review.Great design and functionality. Easy-to-use and easy pairing. Works great.
I would recommend this to a friend - Pros mentioned:Ease of use
Easy to install contact sensors
||Posted . Owned for 2 months when reviewed.This reviewer received promo considerations or sweepstakes entry for writing a review.Contact sensors for doors and windows for the Ring Alarm System are easy to install and setup in the app. Battery usage is minimum.
I would recommend this to a friend - Pros mentioned:Ease of use, Size
nice Product
||Posted . Owned for 1 month when reviewed.This reviewer received promo considerations or sweepstakes entry for writing a review.Very unobtrusive in size, shape and color. Easy to contact to alarm base station.
I would recommend this to a friend - Pros mentioned:Compatibility
Good security system
||Posted . Owned for 1 year when reviewed.This reviewer received promo considerations or sweepstakes entry for writing a review.Ring is a to-go security system that’s affordable and relaiable
I would recommend this to a friend - Pros mentioned:Performance
Highly Recommend
||Posted . Owned for less than 1 week when reviewed.This reviewer received promo considerations or sweepstakes entry for writing a review.Geek squad wired up all my windows so now I know if a window is open by going into by ring app and I can close it before turniong on the HVAC system. They had me all done with lightning speed and it all works perfectly first time!
I would recommend this to a friend - Pros mentioned:Compatibility, Ease of use
Great security
||Posted . Owned for 2 weeks when reviewed.This reviewer received promo considerations or sweepstakes entry for writing a review.Love the Ring alarm sensor. So easy to install (peel and stick) and connect the the base (scan QR code). Works with windows and doors.
I would recommend this to a friend - Pros mentioned:Compatibility, Ease of use
Better than ordering from Ring
||Posted . Owned for 1 month when reviewed.This reviewer received promo considerations or sweepstakes entry for writing a review.Made my alarm system complete. The sensors are very easy to use and are easily recognized by the alarm hub.
I would recommend this to a friend - Pros mentioned:Performance
Good contacts, software buggy
||Posted . Owned for 1 year when reviewed.This reviewer received promo considerations or sweepstakes entry for writing a review.Knocking a star off for the setup process which only goes through 50 % of the time. Works well once setup and sometimes the battery life is sometimes 75% or lower sitting in storage.
I would recommend this to a friendBrand response from Ring
Posted .Hi HittR.
Thank you for taking the time to share your experience with us. We understand the importance of having all relevant product information prior to purchasing. The features and technology provided by the Ring Alarm Contact Sensor (2nd Gen.) are incredibly valuable and help provide you with peace of mind about your home security. We can definitely provide you with more information regarding the concern mentioned in your review.
It sounds like you are experiencing issues with the device in regards to setup process. The Ring Alarm Contact Sensor (2nd Gen.) allows you to expand your Ring Alarm system to secure each door and window in your home and get alerts as soon as they open. The Ring Alarm and all Ring Alarm accessories require a subscription for in-app features and digital notifications, including digital arming and disarming and integration with other Ring, Echo, Alexa, and third-party products. If a Ring Alarm Contact Sensor fails during setup, you may have to adjust the position of the magnet and sensor. Move the sensor closer to the magnet or in a more optimal alignment.
Ring Community was launched to help deliver the most current news and educational information to our neighbors. This online forum is divided into four categories: Product Boards, Ring Updates, Tips and Tricks, and a Moderators’ Corner. The Product Boards are where you can begin new topics with your questions or feedback; there is also a search option that helps you find topics that have already been posted by other neighbors. We invite you to visit our Ring Community today.
Thank you,
Miyuki from Ring.
- Pros mentioned:Ease of use, Size
Excellent Alarm System
||Posted . Owned for 2 months when reviewed.This reviewer received promo considerations or sweepstakes entry for writing a review.Excellent sensor. Fits almost imperceptibly on the doors and windows. The app is very user-friendly. The device is easily programmed.
I would recommend this to a friend Decent with a good value
||Posted . Owned for 2 weeks when reviewed.This reviewer received promo considerations or sweepstakes entry for writing a review.This ring device is decent but its sensitivity & function could use an improvement because in real life, a burglar is not going to walk a certain way to ensure that the device gets triggered if you understand what I mean. So, overall, this motion detector device will do the job as it. Ring will be releasing a newer model in March 2026 which supposed to be somewhat of an upgrade in its sensitivity & function which is a little pricier.
I would recommend this to a friendBrand response from Ring
Posted .Hi AlexT.
Thank you for taking the time to share your feedback with us. We are always looking for ways to improve our neighbor's experience, and your feedback is an invaluable part of this process. That is why we are dedicated to offering devices that help you safeguard what is most important at home, while also allowing you to connect with your neighbors from anywhere. We’re glad to read that you are finding the provided features useful.
If any additional information is needed regarding your Ring Alarm Motion Detector (2nd Gen.), please reach out to our community. Ring Community is our first peer-to-peer community forum, giving our customers the ability to help one another and share their feedback and experiences directly with Ring.
Thank you,
Miyuki from Ring.
Ring contact sensor 2nd gen
||Posted .This reviewer received promo considerations or sweepstakes entry for writing a review.Expand my Ring contact sensore in the house and sheds. Easy to pair with current ring system.
I would recommend this to a friend- Pros mentioned:Ease of use
Seamless security solution
||Posted . Owned for 1 month when reviewed.This reviewer received promo considerations or sweepstakes entry for writing a review.Easy to install and integrate. Seamless and cost effective security solution that you can scale per your budget.
I would recommend this to a friend - Pros mentioned:Compatibility, Ease of use
Excellent quality and ease
||Posted . Owned for 1 month when reviewed.This reviewer received promo considerations or sweepstakes entry for writing a review.Very easy to install and setup on app. They are now installed for over a month and no issues.
I would recommend this to a friend - Pros mentioned:Ease of use
Great!
||Posted . Owned for 4 months when reviewed.This reviewer received promo considerations or sweepstakes entry for writing a review.Bought these for my son to put on the windows of his new home. He loves them. His girlfriend has an 11 year old who is autistic and is very good at figuring out locks and ways to get out of the house so they needed to know if the windows were opened. He has everything sent to his phone so that he knows when he is on the road and can call home if he needs to.
I would recommend this to a friend - Pros mentioned:Ease of use, Performance
Great addition to alarm
||Posted . Owned for 1.5 years when reviewed.This reviewer received promo considerations or sweepstakes entry for writing a review.Easy to setup with our existing Ring alarm kit. Works like a charm
I would recommend this to a friend - Pros mentioned:Installation, Size
Great Sensors
||Posted .This reviewer received promo considerations or sweepstakes entry for writing a review.Does what they are intended to do. Easy to install , compact and they will work when offset from each other or turned sideways
I would recommend this to a friend - Pros mentioned:Ease of use
Easy and reliable
||Posted . Owned for 7 months when reviewed.This reviewer received promo considerations or sweepstakes entry for writing a review.These were extremely easy to setup and add to my existing ring alarm system. Battery life is good.
I would recommend this to a friendBrand response from Ring
Posted .Hi Bryan.
Thank you for taking the time to share your experience with us. We are pleased to read that you are enjoying your new Ring Alarm Contact Sensor (2nd Gen.) and that the features included are meeting your expectations. At Ring, we believe in keeping people close to what’s important. That is why we are driven to create products that help you protect what matters most at home and empower you to connect with your visitors from wherever you are. Together, we’ll make neighborhoods safer!
Ring Community was launched to help deliver the most current news and educational information to our neighbors. This online forum is divided into four categories: Product Boards, Ring Updates, Tips and Tricks, and a Moderators’ Corner. The Product Boards are where you can begin new topics with your questions or feedback; there is also a search option that helps you find topics that have already been posted by other neighbors. We invite you to visit our community today.
Thank you,
Melissa from Ring.
Replacement sensor.
||Posted .This reviewer received promo considerations or sweepstakes entry for writing a review.I bought this to replace one that wouldn't stay on line. This one works fine. I use a lot of these and I've only had one go bad.
I would recommend this to a friendkwillbham
||Posted .This reviewer received promo considerations or sweepstakes entry for writing a review.Purchase was made because I needed additional sensors,
I would recommend this to a friend- Pros mentioned:Ease of use
Good product
||Posted . Owned for 1 month when reviewed.This reviewer received promo considerations or sweepstakes entry for writing a review.Excellent product, easy to install and set up. Bot bad in price
I would recommend this to a friend