Ring Alarm Motion Detector (2nd Generation)


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  • Get real-time notifications on your phone when motion is detected at home.
  • Featuring a more compact design for discreet placement in your home.
  • Easy tool-free installation.
  • Mounts to room corners and flat walls.
  • Uses AA batteries.
  • It’s your pet’s home too! Let them roam when you’re not home. Smart motion detection settings can allow you to ignore your pets and detect intruders.
  • Requires Ring Alarm Base Station. Compatible with 1st and 2nd generation Ring Alarm devices and accessories.
  • Alexa can notify you when your Ring Alarm Contact Sensors and Motion Detectors are running low on batteries.
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Customer reviews

4.7 out of 5 stars
4.7 out of 5
3,301 global ratings

Customers say

Customers like the performance, fit and appearance of the vdo device. For example, they mention it performs well, is compact and easy to install. Some appreciate the sleek, modern design. They're also happy with ease of installation, and connectivity. That said, opinions are mixed on quality and motion detection.

AI-generated from the text of customer reviews

53 customers mention ‘Ease of installation’51 positive2 negative

Customers find the installation of the vdo devices to be easy. They mention that the sensors are easy to install and simple to use. Some say that the backs on the corners make them simple to stick up.

"...Ring app guides users through the setup process with clear, step-by-step instructions. Most users can complete the installation in under 15 minutes...." Read more

"Easy to install and excellent system" Read more

"The overall Ring system is excellent. Easy to fit, configure and operate...." Read more

"It was very easy to connect and install. Works right off the box. It came with good quality batteries. Adhesive is strong. Working well so far." Read more

28 customers mention ‘Performance’28 positive0 negative

Customers are satisfied with the performance of the vdo devices. They mention that it works well, is effective, and is excellent. Some say that the adhesion fixings are rubbish. Overall, most are happy with the product's performance and recommend it to others.

"...term, the Ring Alarm Motion Detector (2nd Generation) demonstrates consistent performance...." Read more

"...sirens etc, it also has settings for small/large pets which seem to work quite well, or you can disconnect the sensor from triggering the alarm all..." Read more

"It was very easy to connect and install. Works right off the box. It came with good quality batteries. Adhesive is strong. Working well so far." Read more

"...Well in self testing, easy to set up with the ring app, and I have had no issues with the installation process and it’s been in armed mode..." Read more

14 customers mention ‘Fit’12 positive2 negative

Customers like the fit of the vdo device. They say it looks good, is compact, and easy to install. They also say it's responsive and effective at distinguishing between large and small objects, reducing the likelihood of false alarms. Some customers also mention that it has settings for small and large pets which seem to work quite well.

"...It effectively distinguishes between large and small objects, reducing the likelihood of false alarms triggered by pets or minor movements...." Read more

"...arm your alarm system and trigger sirens etc, it also has settings for small/large pets which seem to work quite well, or you can disconnect the..." Read more

"The overall Ring system is excellent. Easy to fit, configure and operate...." Read more

"Very responsive small and neat" Read more

12 customers mention ‘Appearance’12 positive0 negative

Customers are satisfied with the appearance of the vdo devices. They mention that it has a sleek, modern design that seamlessly blends into various home interiors. Some say that the unit is much sleeker and is easier on the eye.

"The Ring Alarm Motion Detector (2nd Generation) has a sleek, modern design that seamlessly blends into various home interiors...." Read more

"Are used to install and maintain very inconspicuous, and nonintrusive, the item lots of modern lightweight, and appears to have no impact on the..." Read more

"Very responsive small and neat" Read more

"...They are very easy to set up and look neat...." Read more

10 customers mention ‘Connectivity’7 positive3 negative

Customers like the connectivity of the vdo devices. They say it's easy to set up and connect to the app. Some mention that the app is great and easy to add to the Ring Security system. They also say it is lightweight, making it easy to mount on walls or corners.

"...2.6 x 2.6 x 1.5 inches, and lightweight, making it easy to mount on walls or corners...." Read more

"...These aren't your typical PIRs for house alarms, you can check the app and see when movement was last detected at any point...." Read more

"Worked very well for a year then lost connection to the base unit, tried to connect but was failing...." Read more

"...Easy to install and the app is insanely good!" Read more

34 customers mention ‘Motion detection’17 positive17 negative

Customers are mixed about the motion detection of the vdo devices. Some mention that it's great and picks up very well, while others say that it randomly picksup motion when there definitely isn't any, and that the motion detector is not very sensitive.

"...Notifications are prompt and reliable, with minimal latency between motion detection and alert delivery.### Battery Life..." Read more

"...sensors are great but sometimes have a large delay or struggle picking up blatant movement even after messing around with sensitivity and placement..." Read more

"...Easy to fit, configure and operate. These sensors are great, but not as sensitive as other products, so bear that in mind if you’re using this to..." Read more

"...These are falling off all the time...." Read more

29 customers mention ‘Quality’18 positive11 negative

Customers are mixed about the quality of the vdo devices. Some mention it's a great bit of kit, and reliable, while others say that the adhesive method is poor, faulty, and malfunctions.

"...Notifications are prompt and reliable, with minimal latency between motion detection and alert delivery.### Battery Life..." Read more

"...It's stuck on tampered so we have to bypass it. Rung products aren't very reliable." Read more

"Easy to install and excellent system" Read more

"...Can also setup Alerts etc while ive not set it up personally, a scenario like if you had a private area of your house perhaps in the west wing of..." Read more

Very good
5 out of 5 stars
Very good
I'm loving these in my Ring alarm setup.These aren't your typical PIRs for house alarms, you can check the app and see when movement was last detected at any point.This has a multitude of uses, such as monitoring elderly I can clearly see my independent living dad is up and going about his day without invading his privacy with cameras or routine phone calls 'checking in'I also have one in my shed so it turns on a smart light via Alexa, and after 5 minutes of no motion detection to turn it off again & it works brilliantly.Can also setup Alerts etc while ive not set it up personally, a scenario like if you had a private area of your house perhaps in the west wing of your country estate - you can set it to alert you if motion is detected.And of course, you can arm your alarm system and trigger sirens etc, it also has settings for small/large pets which seem to work quite well, or you can disconnect the sensor from triggering the alarm all together and just use it as a smart sensor like I previously mentioned,Battery life is also excellent, mine are detecting movement many times a day and have been running for a year non stop and battery (according to indicator) is slightly below half.Only issue I've had is one using the adhesive one of my 3 sensors fell off the wall after 6 months, so I've resorted to fixing them with screws.So overall, a great bit of kit, big fan of the Ring alarm gear!
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Top reviews from United Kingdom

Reviewed in the United Kingdom on 30 May 2024
The Ring Alarm Motion Detector (2nd Generation) has a sleek, modern design that seamlessly blends into various home interiors. It is compact, measuring approximately 2.6 x 2.6 x 1.5 inches, and lightweight, making it easy to mount on walls or corners. The build quality is robust, with a durable plastic casing that withstands everyday wear and tear. The device also features an adjustable angle mount, allowing for flexible installation to cover a wide range of motion detection areas.

### Installation and Setup

The installation process is straightforward and user-friendly. The device comes with all the necessary mounting hardware, including screws and adhesive tape. The Ring app guides users through the setup process with clear, step-by-step instructions. Most users can complete the installation in under 15 minutes. The motion detector connects wirelessly to the Ring Alarm Base Station, and the setup process includes a test mode to ensure proper placement and functionality.

### Performance and Reliability

Over the long term, the Ring Alarm Motion Detector (2nd Generation) demonstrates consistent performance. The device employs Passive Infrared (PIR) technology to detect motion up to 30 feet away within a 90-degree field of view. It effectively distinguishes between large and small objects, reducing the likelihood of false alarms triggered by pets or minor movements. The sensitivity settings can be adjusted via the Ring app, allowing customization based on the specific environment and user preferences.

The motion detector integrates seamlessly with other Ring Alarm components, such as door/window sensors and cameras, providing comprehensive security coverage. Notifications are prompt and reliable, with minimal latency between motion detection and alert delivery.

### Battery Life

The device is powered by two AA batteries, which are included in the package. Under normal conditions, the batteries can last up to three years, a significant improvement over the first-generation model. The Ring app provides battery status updates, ensuring users are informed when replacements are needed. Long-term users report that battery life is consistent with the manufacturer’s claims, contributing to the device's low maintenance requirements.

### Integration with Ring Ecosystem and Smart Home Systems

The Ring Alarm Motion Detector (2nd Generation) integrates smoothly with the broader Ring ecosystem. It works in tandem with Ring cameras, lights, and the Ring Alarm Base Station, creating a cohesive and responsive security system. The device is also compatible with Amazon Alexa, allowing users to control and monitor the system using voice commands.

For smart home enthusiasts, the motion detector's compatibility with third-party systems, like Z-Wave, enhances its versatility. This interoperability allows users to incorporate the device into a more extensive smart home setup, leveraging automation routines and triggers to improve security and convenience.
Reviewed in the United Kingdom on 5 July 2024
Easy to install and excellent system
Reviewed in the United Kingdom on 11 October 2023
I'm loving these in my Ring alarm setup.

These aren't your typical PIRs for house alarms, you can check the app and see when movement was last detected at any point.

This has a multitude of uses, such as monitoring elderly I can clearly see my independent living dad is up and going about his day without invading his privacy with cameras or routine phone calls 'checking in'

I also have one in my shed so it turns on a smart light via Alexa, and after 5 minutes of no motion detection to turn it off again & it works brilliantly.

Can also setup Alerts etc while ive not set it up personally, a scenario like if you had a private area of your house perhaps in the west wing of your country estate - you can set it to alert you if motion is detected.

And of course, you can arm your alarm system and trigger sirens etc, it also has settings for small/large pets which seem to work quite well, or you can disconnect the sensor from triggering the alarm all together and just use it as a smart sensor like I previously mentioned,

Battery life is also excellent, mine are detecting movement many times a day and have been running for a year non stop and battery (according to indicator) is slightly below half.

Only issue I've had is one using the adhesive one of my 3 sensors fell off the wall after 6 months, so I've resorted to fixing them with screws.

So overall, a great bit of kit, big fan of the Ring alarm gear!
Customer image
5.0 out of 5 stars Very good
Reviewed in the United Kingdom on 11 October 2023
I'm loving these in my Ring alarm setup.

These aren't your typical PIRs for house alarms, you can check the app and see when movement was last detected at any point.

This has a multitude of uses, such as monitoring elderly I can clearly see my independent living dad is up and going about his day without invading his privacy with cameras or routine phone calls 'checking in'

I also have one in my shed so it turns on a smart light via Alexa, and after 5 minutes of no motion detection to turn it off again & it works brilliantly.

Can also setup Alerts etc while ive not set it up personally, a scenario like if you had a private area of your house perhaps in the west wing of your country estate - you can set it to alert you if motion is detected.

And of course, you can arm your alarm system and trigger sirens etc, it also has settings for small/large pets which seem to work quite well, or you can disconnect the sensor from triggering the alarm all together and just use it as a smart sensor like I previously mentioned,

Battery life is also excellent, mine are detecting movement many times a day and have been running for a year non stop and battery (according to indicator) is slightly below half.

Only issue I've had is one using the adhesive one of my 3 sensors fell off the wall after 6 months, so I've resorted to fixing them with screws.

So overall, a great bit of kit, big fan of the Ring alarm gear!
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5 people found this helpful
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Reviewed in the United Kingdom on 3 July 2023
The overall Ring system is excellent. Easy to fit, configure and operate. These sensors are great, but not as sensitive as other products, so bear that in mind if you’re using this to monitor a large room.
One person found this helpful
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Reviewed in the United Kingdom on 1 March 2024
It was very easy to connect and install. Works right off the box. It came with good quality batteries. Adhesive is strong. Working well so far.
2 people found this helpful
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Reviewed in the United Kingdom on 26 April 2024
A great addition to the already brilliant Ring security system. Very easy to install and set up - takes a couple of minutes.
Reviewed in the United Kingdom on 22 July 2023
Are used to install and maintain very inconspicuous, and nonintrusive, the item lots of modern lightweight, and appears to have no impact on the room due to its size.
Well in self testing, easy to set up with the ring app, and I have had no issues with the installation process and it’s been in armed mode

Note the ring of security system is required to use this item. It is not a standalone item.
6 people found this helpful
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Reviewed in the United Kingdom on 30 June 2024
I have not the old and new version motion sensors, the newer version are better looking but I think they are close to old ones when it comes to spec both work fine for me