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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 30 Showing 581-600 of 1,324 reviews
  • Pros mentioned:
    Overall performance

    Good

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

    They work pretty good. So far no complaints or issues

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

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

    Good

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

    Good sensor for the ring alarm. I have all the equipment and it 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

    Great system 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.

    Works great with the Ring alarm system. Super easy to install. I wish they provided a few screws in the box as well

    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

    Easy to install

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

    Works great and easy to install. When i need to buy more i will definitely be back to get them.

    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

    Love these sensors, so easy to install

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

    Great product! App was very friendly with using the QR codes, the install and setup was pretty seamless.

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

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

    very easy to use!

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

    super simple to install, keypad is kinda basic but its designed to mainly be controlled from your smart phone

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

    I would recommend this to a friend

  • 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.

    It was easy to connect the extra contact sensors to existing Ring alarm system. For 6 sensors it was a good price.

    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 To Install

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

    So easy to add to the existing Ring security! Took less than ten minutes to set up two additional!

    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

    Happy customer

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

    Highly recommended to anyone interested in this item

    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

    Nice

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

    These are easy to install and are great when you get notifications

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

    I would recommend this to a friend

  • Ring Alarm contact sensor

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

    I used them on my patio doors and they worked together with my Ring alarm system.

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

    I would recommend this to a friend

  • Bargain

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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! We love the ring alarm system at a much lower rate than other companies

    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

    Easily add security.

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

    Very simple install and adding to the system through the Ring app was very straight forward. The work great!

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

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

    Works good

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

    Work great with the ring security system. Wish the system would have had more at purchase

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

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

    Very good

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

    Very good for the safety and the price given will recommend for everyone

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

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

    Ring a Ding

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

    Great product, so easy to install and use. Would recommend for anyone looking for a DIY alarm system.

    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

    Ring Sensors

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

    Easy to install by following the instructions great value.

    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

    Easy to install

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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 install and add into my ring profile. Make sure to clean the area with a cleanser before installing.

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

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

    Best alarm sensors

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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.

    New ring customer. Love ring alarm and their sensors. They are so easy to use. Best alarm system hands down.

    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 addition!

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

    Haven’t installed yet but appears to be an easy install.

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

    I would recommend this to a friend
Page 30, Showing 581-600 of 1,324 reviews
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