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Customer Ratings & Reviews

Model:
4SD1S7-0EN0
SKU:
6129211
Your price for this item is $19.99

Customer reviews

Rating 4.8 out of 5 stars with 1076 reviews

Rating Filter

Rating by feature

  • Value

    Rating 4.6 out of 5 stars

  • Quality

    Rating 4.8 out of 5 stars

  • Ease of Use

    Rating 4.8 out of 5 stars

Pros mentioned filter

Cons mentioned filter

98%would recommend to a friend

Customers are saying

Customers express satisfaction with the Alarm Contact Sensor (1st Gen)'s ease of use, installation process, and affordable price point. The sensor's compatibility with the Ring system and its contribution to enhanced security are also well-received. However, some customers have expressed a desire for a smaller size.

This summary was generated by AI based on customer reviews.

The vast majority of our reviews come from verified purchases. Reviews from customers may include My Best Buy members, employees, and Tech Insider Network members (as tagged). Select reviewers may receive discounted products, promotional considerations or entries into drawings for honest, helpful reviews.
Page 23 Showing 441-460 of 1,076 reviews
  • Pros mentioned:
    Ease of use

    Rated 5 out of 5 stars

    Great product and easy set up.

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    Posted .
    This reviewer received promo considerations or sweepstakes entry for writing a review.

    Easy connecting to my alarm master unit. Tech assistance vey good and always helpful.

    I would recommend this to a friend
  • Pros mentioned:
    Ease of use

    Rated 5 out of 5 stars

    Does the job

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    Posted .
    This reviewer received promo considerations or sweepstakes entry for writing a review.

    Much needed for garage door and back slider. A must add on if you get the starter pack

    I would recommend this to a friend
  • Rated 4 out of 5 stars

    Good product.

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    Posted . Owned for 9 months when reviewed.
    This reviewer received promo considerations or sweepstakes entry for writing a review.

    Bought them on sale because they were from the older generation, but still perform the same function as the newer model. Does what it is supposed to.

    I would recommend this to a friend
  • Pros mentioned:
    Ease of use

    Rated 5 out of 5 stars

    Easy to add

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    Posted . Owned for 2 weeks when reviewed.
    This reviewer received promo considerations or sweepstakes entry for writing a review.

    Easy to add to your ring alarm and set up. Adding extra protection to home.

    I would recommend this to a friend
  • Pros mentioned:
    Price

    Rated 5 out of 5 stars

    Additional sensors

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    Posted . Owned for 2 weeks when reviewed.
    This reviewer received promo considerations or sweepstakes entry for writing a review.

    Easy to add to your existing system. Price for the sensors were reasonable.

    I would recommend this to a friend
  • Pros mentioned:
    Ease of use

    Rated 5 out of 5 stars

    Safety first!

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    Posted . Owned for 1.5 years when reviewed.
    This reviewer received promo considerations or sweepstakes entry for writing a review.

    Great action to the ring system. Very easy set up as well!

    I would recommend this to a friend
  • Pros mentioned:
    Ease of use

    Rated 5 out of 5 stars

    Ring Contact Sensors

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    Posted .
    This reviewer received promo considerations or sweepstakes entry for writing a review.

    Excellent quality sensors, easy to install. Great addition to the Ring Alarm System.

    I would recommend this to a friend
  • Pros mentioned:
    Security

    Rated 5 out of 5 stars

    Great system for diy ppl

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    Posted .
    This reviewer received promo considerations or sweepstakes entry for writing a review.

    Great product that has many additional options to help with your home security needs

    I would recommend this to a friend
  • Pros mentioned:
    Ease of use

    Rated 5 out of 5 stars

    Love Ring

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    Posted . Owned for 1 week when reviewed.
    This reviewer received promo considerations or sweepstakes entry for writing a review.

    The ring security system is great and these are very easy to install.

    I would recommend this to a friend
  • Pros mentioned:
    Ease of use

    Rated 4 out of 5 stars

    Easy to Install

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    Posted .
    This reviewer received promo considerations or sweepstakes entry for writing a review.

    Very easy to install the app walks your thorugh it. I do feel this product feels a little on the cheaper side, as I had to have Ring replace a sensor with a broken weld on the main board.

    I would recommend this to a friend
  • Pros mentioned:
    Price

    Rated 5 out of 5 stars

    good value for the product

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    Posted . Owned for 7 months when reviewed.
    This reviewer received promo considerations or sweepstakes entry for writing a review.

    Great value for the product, love the quantity. i have some extra now.

    I would recommend this to a friend
  • Pros mentioned:
    Ease of use

    Rated 5 out of 5 stars

    Ring is the perfect alarm

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    Posted . Owned for 7 months when reviewed.
    This reviewer received promo considerations or sweepstakes entry for writing a review.

    Ring is Alarm is so easy to install and is way cheaper than ADT ..

    No, I would not recommend this to a friend
  • Pros mentioned:
    Ease of use

    Rated 5 out of 5 stars

    Good sensors

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    Posted . Owned for 1 year when reviewed.
    This reviewer received promo considerations or sweepstakes entry for writing a review.

    A handy new addition to our home, easy to install and use.

    I would recommend this to a friend
  • Pros mentioned:
    Ease of use

    Rated 5 out of 5 stars

    Easy add-on

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    Posted .
    This reviewer received promo considerations or sweepstakes entry for writing a review.

    Added these to my system for some additional window coverage. Set up went smoothly.

    I would recommend this to a friend
  • Pros mentioned:
    Installation

    Rated 5 out of 5 stars

    Convinient

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    Posted .
    This reviewer received promo considerations or sweepstakes entry for writing a review.

    Recently got the Ring Alarm and need extra sensors at different entrances and windows.

    I would recommend this to a friend
  • Pros mentioned:
    Ease of use

    Rated 5 out of 5 stars

    Great product

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    Posted . Owned for 1 month when reviewed.
    This reviewer received promo considerations or sweepstakes entry for writing a review.

    These were very easy to install and activate with the rest of our Ring system

    I would recommend this to a friend
  • Pros mentioned:
    Installation

    Rated 5 out of 5 stars

    Needed

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    Posted .
    This reviewer received promo considerations or sweepstakes entry for writing a review.

    I ordered the additional sensors because I have several entry doors. Much needed!

    I would recommend this to a friend
  • Pros mentioned:
    Ease of use

    Rated 5 out of 5 stars

    Just works

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    Posted .
    This reviewer received promo considerations or sweepstakes entry for writing a review.

    Easy to install and set up. I expanded my existing security setup with more sensors.

    I would recommend this to a friend
  • Pros mentioned:
    Ease of use

    Rated 5 out of 5 stars

    Great sensors and easy to install.

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    Posted . Owned for 3 weeks when reviewed.
    This reviewer received promo considerations or sweepstakes entry for writing a review.

    Very easy to install these sensors and add to our ring security system!

    I would recommend this to a friend
  • Pros mentioned:
    Ease of use

    Rated 5 out of 5 stars

    Easy to install

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    Posted .
    This reviewer received promo considerations or sweepstakes entry for writing a review.

    Needed more sensors for windows and doors. These are easy to install and setup.

    I would recommend this to a friend