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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 22 Showing 421-440 of 1,076 reviews
  • Pros mentioned:
    Ease of use

    Rated 5 out of 5 stars

    Sensors were easy to install

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

    These are easy to install and give you 2 options to do the install. Easy to program also.

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

    Rated 5 out of 5 stars

    Good product

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

    Works as advertised. Simple to install and setup. Now we know when a door is opened

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

    We had someone install for us, but it seems quite easy. Could do it myself if necessary.

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

    Rated 5 out of 5 stars

    Easy Install and Expansion of System

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

    Adding additional sensors to the ring alarm system is super simple. No issues so far.

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

    Rated 5 out of 5 stars

    good for expansion

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

    bought for additional windows. was on sale, excellent value. now entire home is protected

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

    Rated 5 out of 5 stars

    Perfect sensor for the front door

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

    Easy to put on and use! Needed another for the back door. Ring alarm works great!

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

    Rated 5 out of 5 stars

    Sensors

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

    Sensors was easy to install to my system and set up was a breeze. Wonderful Product.

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

    Rated 5 out of 5 stars

    Great add on

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

    Great add on and east to install. Works perfectly with the complete ring security system.

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

    Rated 5 out of 5 stars

    Safe

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

    Great product ! Makes my family safe we feel confident & secrure

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

    Rated 5 out of 5 stars

    Great add ons for Ring alarm system

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

    This is a great alarm system for your home that you can continue to add on to over time.

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

    Good option

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

    I switched from ADT to Ring Alarm security system. The sensors work great.

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

    Rated 5 out of 5 stars

    Needed accessory..

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

    Easy of use, awesome product and would love to buy more.. excellent purchase

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

    Rated 5 out of 5 stars

    Added to Existing Ring Alarm

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    Posted . Owned for 6 months when reviewed.
    This reviewer received promo considerations or sweepstakes entry for writing a review.

    Needed a few additional sensors to add to existing alarm. Worked seamless.

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

    Rated 5 out of 5 stars

    Excellent!

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

    Easy to setup and worked like a charm. They are a bit overpriced though.

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

    Rated 5 out of 5 stars

    Works

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

    I.purchased these too place on my doors with my ring security system . Works well.

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

    Rated 5 out of 5 stars

    Good sensor

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

    Great asset with my google tools in my house. Reliable with my ring system.

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

    Rated 5 out of 5 stars

    Works Great

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

    Excellent addition to my ring alarm system. Love that it was easy to set up.

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

    Rated 5 out of 5 stars

    It works very precise!

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

    Very good addition to my safe home. It gives me extra piece of mind!

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

    Rated 5 out of 5 stars

    Great security sensors!

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    Posted . Owned for 11 months when reviewed.
    This reviewer received promo considerations or sweepstakes entry for writing a review.

    The Ring contact sensors work very well in keeping our home secure.

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

    Rated 5 out of 5 stars

    Great addition to my home security system.

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

    Great addition to my home security system. Work perfectly and easy to install.

    I would recommend this to a friend