Alarm Motion Detector - White
Alarm Motion Detector - White
Best Seller

Alarm Motion Detector

4.7

4.7 out of 5 stars
4.7 out of 5 stars
4.7 out of 5 stars
4.7 out of 5 stars
4.7 out of 5 stars
10,969

$29.99

Take up to 18 months to pay with as low as 0% APR on some term lengths and no late fees. Prequalify now.
Place Alarm Motion Detector in each room of your home to get mobile alerts whenever motion is detected indoors.

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Fastest delivery on Mon, Jun 23 or Standard delivery on Tue, Jun 24

Need help deciding? Build your system or call 833-906-1146 to speak with an Expert.

Set your security in motion.

Get alerts whenever motion is detected inside your home with the Alarm Motion Detector. It connects to your Ring Alarm Base Station and mounts to any indoor wall or corner, so you’ll always know when there’s activity at home.

  • Requires the Ring Alarm or Ring Alarm Pro Security Kit.
  • Advanced motion sensitivity to prevent false alarms from pets.
  • Mounts to room corners or flat walls.
Ring Alarm Motion Detector on corner of white-paneled wall near a window, with partially visible plant in foreground.

Tech Specs

Supported Devices Arrow Icon

Setup Requirements

Ring Alarm Kit

Size Arrow Icon

Dimensions

2.6 in X 2.6 in X 1.53 in

Power and Connectivity Arrow Icon

Power

2 AA batteries (included)
Battery life will depend on usage.
Cold temperatures may drain battery life faster.

Operating Conditions

32°F to 120°F (0°C to 49°C)

Connectivity

Z-Wave (250-foot range to Base Station open air, line of sight)

Installation Arrow Icon

Operating Conditions

Indoor use

Mounting

Mounts to room corners or flat walls

General Arrow Icon

Frequently Asked Questions

Where does Alarm Motion Detector ship to?

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Alarm Motion Detector ships to the continental US (excluding American Samoa, Guam, Northern Mariana Islands, Puerto Rico, and the U.S. Virgin Islands) and Canada.

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Amazon Customer Reviews

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4.7 out of 5

10,969 global ratings

5 star
83%
4 star
11%
3 star
3%
2 star
1%
1 star
2%
Reviews with images

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Previous
Reliable Motion Detector, But Slow Response TimeReliable Motion Detector, But Slow Response TimeReliable Motion Detector, But Slow Response TimeSmartThings compatibleSmartThings compatibleSmartThings compatibleSoftware fails to connect often. Adhesive disappointingGo back to 1st genPurchased new but received used & previously opened box100% compatible with first generation ring100% compatible with first generation ringmounting without drilling a holemounting without drilling a holeTampered device

Customer reviews

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Buy these Motion sensors

Reviewed in the United States on June 7, 2025
As advertised. Worked perfectly. Connectivity was flawless. Came with fresh batteries of good quality. Based on this experience I would 100% recommend to others
Amazon Customer
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Verified Purchase

Reliable and Accurate Motion Detection – A Must-Have for Home Security!

Reviewed in the United States on January 7, 2025
The Ring Alarm Motion Detector has been a fantastic addition to my home security system. It’s incredibly reliable and accurate, providing peace of mind by detecting motion in and around my home with ease. The setup was straightforward, and it synced perfectly with my Ring Alarm system.

Wh...
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amazing product

Reviewed in the United States on April 12, 2025
all of ring products are amazing
Amazon Customer
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Works as expected

Reviewed in the United States on February 10, 2025
Work as expected as with all Ring products. Super easy to install. If you are looking for a home alarm system Ring is the way to go. It is very user friendly to install, set up and operate. I installed an entire alarm system in my home in about half a day and cameras all around were installed the s... Read more
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Thought I would use these more

Reviewed in the United States on February 18, 2025
These work great, but I don't really use them much with regard to my alarm system. I also run Home Assistant for all of my smart home duties and I find there are better DIY proximity sensors that also have other functionality that these do not that I have used instead. These do what they say they ... Read more
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