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  • Front. Ring - Alarm Contact Sensor (2nd Gen) (1-Pack) - White.
  • Ring Home: See more. Know more. Protect more. Subscribe to Ring Home to supercharge your Ring experience with our most advanced video, intelligence, and security features. Choose a plan that's right for you. Recommended: * Basic: Get the basics with video event playback and smart notifications for one home camera. * Standard: The ideal Ring experience with enhanced features and helpful automations for all your home devices in one location. * Premium: Get the most advanced features for your home devices in one location. Additional options: * 180 Days Video Event History: $4.99/month * Person and Package Alerts: $49.99/month * Video Preview Alerts: $9.99/month * 0% Financing on select Ring.com purchases: $99.99/month * Alarm Professional Monitoring: $19.99/month (add-on to Standard or Premium plans) * Smart Video Search Beta: $19.99/month (add-on to Premium plan) * 24/7 Recording: $19.99/month (add-on to Standard or Premium plans) * SOS Emergency Response: $19.99/month (add-on to Premium plan)
  • Alt View 11. Ring - Alarm Contact Sensor (2nd Gen) (1-Pack) - White.
  • Alt View 13. Ring - Alarm Contact Sensor (2nd Gen) (1-Pack) - White.
  • Alt View 14. Ring - Alarm Contact Sensor (2nd Gen) (1-Pack) - White.
  • Ring Home: See more. Know more. Protect more. Subscribe to Ring Home to supercharge your Ring experience with our most advanced video, intelligence, and security features. Choose a plan that's right for you. Recommended: * Basic: Get the basics with video event playback and smart notifications for one home camera. * Standard: The ideal Ring experience with enhanced features and helpful automations for your home devices in one location. * Premium: Get the most advanced features for your home devices in one location. Additional options: * Alarm Professional Monitoring for +$10: Includes everything Standard, plus 24/7 recording, SOS Emergency Response, and more. * Alarm Professional Monitoring for +$10: Includes everything Premium, plus Alarm Professional Monitoring for +$10.
  • Ring Alarm Products video 2 minutes 16 seconds
  • Ring Smart Lighting video 1 minutes 00 seconds

Ring - Alarm Contact Sensor (2nd Gen) (1-Pack) - White

Model:
4SD1SZ-0EN0
SKU:
10811739
Highly rated by customers for:
$14.99

Customer reviews

Rating 4.8 out of 5 stars with 1324 reviews

Rating Filter

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

Pros mentioned filter

Cons mentioned filter

97%would recommend to a friend

Customers are saying

Customers praise the product for its exceptional ease of use, overall performance, and straightforward installation. They also appreciate its security features, compact size, compatibility, good price, long battery life, and thoughtful design. However, some users have reported minor issues with connectivity and limited range. A few customers also noted concerns regarding sensitivity and occasional unexplained motion detection.

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 41 Showing 801-820 of 1,324 reviews
  • Pros mentioned:
    Size

    Good Buy

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

    Great contact sensors, appreciate the size they are now from the first generation

    This review is from Ring - Alarm Contact Sensor (2nd Gen) (6-Pack) - White

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

    Easy installation

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

    Very nice product and easy to integrate with 1st gen ring base station

    This review is from Ring - Alarm Contact Sensor (2nd Gen) (1-Pack) - White

    I would recommend this to a friend

  • Sensor

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

    AAAAAA+++++++ Excellent product and good quality E

    This review is from Ring - Alarm Contact Sensor (2nd Gen) (2-Pack) - White

    I would recommend this to a friend

  • Good

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

    Love the ring at as t e m good value. Use it all the time.

    This review is from Ring - Alarm Contact Sensor (2nd Gen) (2-Pack) - White

    I would recommend this to a friend

  • Awesome Product Came on time and works absolutely

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    Posted . Owned for 8 months when reviewed.
    This reviewer received promo considerations or sweepstakes entry for writing a review.

    Awesome Product Came on time and works absolutely fine. Will buy again.

    This review is from Ring - Alarm Contact Sensor (2nd Gen) (6-Pack) - White

    I would recommend this to a friend
  • Pros mentioned:
    Overall performance

    My dyi security system is now complete

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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. Just finished up shopping for all our windows and doors.

    This review is from Ring - Alarm Contact Sensor (2nd Gen) (6-Pack) - White

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

    Just what I needed.

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

    Works as intended to protect entry or exits inside your home.

    This review is from Ring - Alarm Contact Sensor (2nd Gen) (2-Pack) - White

    I would recommend this to a friend

  • Great product

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

    I have had these sensors for years. Never had a problem ever.

    This review is from Ring - Alarm Contact Sensor (2nd Gen) (1-Pack) - White

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

    Ring Sensor

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

    Purchased this product for an additional sensor. Works great!

    This review is from Ring - Alarm Contact Sensor (2nd Gen) (1-Pack) - White

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

    Ring - Alarm Motion Detector (2nd Gen) - White

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

    Ordered for curbside pick up. Was very easy process. Product works perfectly!

    This review is from Ring - Alarm Motion Detector (2nd Gen) (1-Pack) - White

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

    Extra sensor

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

    Needed extra sensors they worked as they should. Great product

    This review is from Ring - Alarm Contact Sensor (2nd Gen) (6-Pack) - White

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

    Good add-on

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

    Super easy to connect the sensors to the Ring system I already had, no issues.

    This review is from Ring - Alarm Contact Sensor (2nd Gen) (6-Pack) - White

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

    Have one for every entrance

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

    Works and installs easy. Know when someone comes or goes

    This review is from Ring - Alarm Contact Sensor (2nd Gen) (6-Pack) - White

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

    Quick and easy install

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

    Quick install and easy connection to the rest of Ring products.

    This review is from Ring - Alarm Contact Sensor (2nd Gen) (6-Pack) - White

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

    Great sensors

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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 sensors to go with a great system, easy to install

    This review is from Ring - Alarm Contact Sensor (2nd Gen) (2-Pack) - White

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

    Works Great

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

    Works great with the Ring Alarm and easy to install using the app.

    This review is from Ring - Alarm Contact Sensor (2nd Gen) (2-Pack) - White

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

    Seemless integration

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

    Integration is seamless and easy with the Ring alarm system. Easy to set up.

    This review is from Ring - Alarm Contact Sensor (2nd Gen) (2-Pack) - White

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

    Works like a charm.

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

    As expected, it's easy to add to an existing ring ecosystem.

    This review is from Ring - Alarm Contact Sensor (2nd Gen) (1-Pack) - White

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

    Great alarm system.

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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 install contact sensors and they integrate well with the Ring alarm system

    This review is from Ring - Alarm Contact Sensor (2nd Gen) (6-Pack) - White

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

    Add on

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

    Easy to install. Not bad for it’s price. Bought it on sale and used my reward

    This review is from Ring - Alarm Contact Sensor (2nd Gen) (6-Pack) - White

    I would recommend this to a friend
Page 41, Showing 801-820 of 1,324 reviews
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