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Ring Alarm Contact Sensor

by Ring
4.7 out of 5 stars 3,468 ratings
Amazon's Choice recommends highly rated and well-priced products.
Amazon's Choice for "ring sensor 1 pack"

Price: $19.99 FREE Shipping
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Alarm Contact Sensor

This item is certified to work with Alexa
WORKS WITH ALEXA
Add voice control by combining with an Alexa device & hub
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Total Price: $268.98
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  • Requires the Ring alarm base station
  • Get instant mobile alerts when doors or windows open in your home
  • Compatible with any iOS or Android device
  • Easy installation with no tools required
  • Mounts to door and window frames
  • 3V lithium battery included

Technical Details - Contact Sensor

Power

3V Lithium Battery Included

Battery Life

Approximately 3 Years

Operating Conditions

32°F to 120°F (0°C to 49°C)

*Dimensions *

3.23 in. x 0.98 in. x 0.94 in.

Installation

Mount to Door or Window Frame

Maximum Distance Between Sensors

5/8 inches

*Connectivity *

Z-Wave (250-foot range to Base Station)

Warranty and service

1-year limited warranty and service included. Use of Ring Alarm Kit is subject to the terms found here.

Support

Click here to view more information on the Ring Alarm Kit support page.


Customer Questions & Answers

Customer reviews

4.7 out of 5 stars
4.7 out of 5
3,468 customer ratings
How does Amazon calculate star ratings?
Reviewed in the United States on October 6, 2018
Style: Alarm Contact SensorVerified Purchase
239 people found this helpful
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Reviewed in the United States on July 12, 2018
Style: Alarm Contact Sensor
305 people found this helpful
Comment Report abuse
Reviewed in the United States on June 12, 2019
Style: Alarm Contact Sensor 2-PackVerified Purchase
review imagereview image
165 people found this helpful
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Reviewed in the United States on September 27, 2018
Style: Alarm Contact Sensor 2-PackVerified Purchase
164 people found this helpful
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Reviewed in the United States on September 8, 2018
Style: Alarm Contact Sensor 2-PackVerified Purchase
184 people found this helpful
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Reviewed in the United States on December 6, 2018
Style: Alarm Contact Sensor 2-PackVerified Purchase
126 people found this helpful
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Top international reviews

Ash N.
3.0 out of 5 stars SENSORS NEED "ALARM" HUB THAT ONLY COMES IN $250 KIT. Hidden catch! Not worth price of needed kit.
Reviewed in Canada on August 31, 2019
Style: Alarm Contact Sensor 2-PackVerified Purchase
13 people found this helpful
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Dan
4.0 out of 5 stars Pricey and no discount over buying individually
Reviewed in Canada on December 16, 2019
Style: Alarm Contact Sensor 2-PackVerified Purchase
5 people found this helpful
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Stephen M
5.0 out of 5 stars Good sensors, but a little big.
Reviewed in Canada on August 11, 2019
Style: Alarm Contact Sensor 2-PackVerified Purchase
2 people found this helpful
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Joseph G.
5.0 out of 5 stars Sensor works great you need this if you have the ring alarm
Reviewed in Canada on October 2, 2019
Style: Alarm Contact Sensor 2-PackVerified Purchase
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Jarnail Singh
1.0 out of 5 stars Sensors do not always work
Reviewed in Canada on August 17, 2019
Style: Alarm Contact Sensor 2-PackVerified Purchase
3 people found this helpful
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Tommy C.
5.0 out of 5 stars We are satisfied RING product owners!
Reviewed in Canada on May 16, 2019
Style: Alarm Contact Sensor 2-PackVerified Purchase
2 people found this helpful
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Steve
5.0 out of 5 stars Upper hand in Customer service
Reviewed in Canada on June 17, 2019
Style: Alarm Contact Sensor 2-PackVerified Purchase
3 people found this helpful
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Deanne
1.0 out of 5 stars Half worked, with issues
Reviewed in Canada on February 5, 2020
Style: Alarm Contact Sensor 2-PackVerified Purchase
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Amazon Customer
5.0 out of 5 stars We made the right choice and installed it ourselves.
Reviewed in Canada on August 17, 2019
Style: Alarm Contact Sensor 2-PackVerified Purchase
One person found this helpful
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Amazon Customer
5.0 out of 5 stars Wonderful Product
Reviewed in Canada on June 26, 2019
Style: Alarm Contact Sensor 2-PackVerified Purchase
2 people found this helpful
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M. Anand
4.0 out of 5 stars Almost perfect
Reviewed in Canada on February 2, 2020
Style: Alarm Contact Sensor 2-PackVerified Purchase
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HenryZ
5.0 out of 5 stars Nice built-quality
Reviewed in Canada on March 3, 2020
Style: Alarm Contact Sensor 2-PackVerified Purchase
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Anthony Carmona
5.0 out of 5 stars A must have
Reviewed in Canada on March 25, 2019
Style: Alarm Contact Sensor 2-PackVerified Purchase
One person found this helpful
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Amazon Customer
4.0 out of 5 stars Works as described.
Reviewed in Canada on October 13, 2019
Style: Alarm Contact Sensor 2-PackVerified Purchase
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ldce
1.0 out of 5 stars Not easy to install
Reviewed in Canada on October 20, 2019
Style: Alarm Contact SensorVerified Purchase
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