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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:
10101957
$17.98
Save $2.01
Comp. Value: $19.99

Customer reviews

Rating 4.8 out of 5 stars with 1312 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

97%
would recommend
to a friend
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 27 Showing 521-540 of 1,312 reviews

  • Sensor for Ring security system

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

    This is a great product: easy to install & add to our existing Ring security system.

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

    I would recommend this to a friend

  • 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 Sensor

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

    Ring's home security products are great. They work well and are very easy to set up. Simple and effective!

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

    I would recommend this to a friend

  • 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.

    Happy with product, would definitely recommend if you have the ring alarm system. I am happy to know my family is kept safe.

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

    I would recommend this to a friend

  • Easy to Install and a great value

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

    The second generation and they are worth the money. It is smaller which takes up less space and it looks nicer

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

    I would recommend this to a friend

  • Easy to Install and Works Perfect

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

    The second generation and they are worth the money. It is smaller which takes up less space and it looks nicer

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

    I would recommend this to a friend

  • Contacts

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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 and setup. The contacts came packages of 2 or 6. I needed 8 so this was perfect for my needs

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

    I would recommend this to a friend

  • Ring

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

    Ring is the best do it yourself alarm system, anyone can install this with Ring's install videos.

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

    I would recommend this to a friend

  • Ring devices

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

    Good product and easy to install. The store person was helpful

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

    I would recommend this to a friend

  • Easy Sensors

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

    Additional sensors work great with the Ring system that i currently have. Easy to use and sync with your current system

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

    I would recommend this to a friend

  • Ring 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.

    So far so good with these little dudes. However, not totally sold on it and contemplating going back to My old service.

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

    I would recommend this to a friend

  • Would recommend

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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. Peel, stick, and arm. Integrates seamlessly with a previously installed system.

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

    I would recommend this to a friend

  • nice item

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

    ring products are pretty good although there is a lag

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

    I would recommend this to a friend

  • Would recommend and easy to use

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

    These are so easy to install and control. I love how you can set up the chime to be different.

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

    I would recommend this to a friend

  • Best Buy have good products

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

    Excellent product! I was saved from ordering it online

    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

  • 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.

    Ring sensors working good in all conditions. Security is top notch.

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

    I would recommend this to a friend

  • Entry Sensors work great

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

    Sensors are great and batteries have no visible loss after 1 month. Little larger than the Wink Window sensors they replaced.

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

    I would recommend this to a friend

  • Perfect addition to Ring

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

    Needed additional sensors to add to current system. These are simple to install and link to your Ring security system.

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

    I would recommend this to a friend

  • Love my ring!

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

    Love these! I have my whole house sensored because I have young kids! Love that I can buy more seperately

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

    I would recommend this to a friend
Page 27, Showing 521-540 of 1,312 reviews
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