“The Ring Alarm Motion Detector is the obvious choice for Ring system owners — Z-Wave reliability and native app integration make it invisible to set up”
Is the Ring Alarm Motion Detector worth it?
The Ring Alarm Motion Detector ($18-$25) is recommended with a 7.8/10 consensus score across 8 expert reviews. Experts highlight z-wave reliability — consistent signal in ring security systems and native ring alarm integration — no extra setup. CNET says: "The Ring Alarm Motion Detector is the obvious choice for Ring system owners — Z-..." Best for: Ring system owners, Z-Wave homes, Budget security setups.

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Ring Alarm Motion Detector
Motion Sensors
SmartHomeExplorer proprietary rating
8 expert sources
The Ring Alarm Motion Detector earns a SHE Score of 6.3/10, driven by strong value (9.3/10) with room to improve in future-proofing (5/10). Based on 8 expert sources and SmartHomeExplorer compatibility analysis.
How we calculate the SHE Score →Expert Consensus: 7.8/10 across 8 sources
Updated:“The Ring Alarm Motion Detector is the obvious choice for Ring system owners — Z-Wave reliability and native app integration make it invisible to set up”
Key Features
- ✓ Z-Wave protocol
- ✓ Ring Alarm native
- ✓ 110° adjustable lens
- ✓ Alexa integration
Best For
Ring Alarm Motion Detector vs. the alternatives
How the Ring Alarm Motion Detector stacks up against other Security options on price, expert consensus, and our proprietary SHE Score.
| Product | Price | Consensus | SHE Score | Works With | Verdict |
|---|---|---|---|---|---|
| Ring Alarm Motion DetectorThis page | $18-$25 | 7.8/10 | 6.3/10 | Amazon Alexa | Recommended |
| Aqara Motion Sensor P2 | $20-$25 | 8.4/10 | 7.2/10 | Matter | Must Buy |
| Samsung SmartThings Motion Sensor | $18-$25 | 7.6/10 | 6.2/10 | Google Home, Amazon Alexa, Samsung SmartThings | Good Value |
The Ring Alarm Motion Detector ($18-$25) earns a 7.8/10 expert consensus and a 6.3/10 SHE Score across 8 sources, versus the Eufy Security S330 Video Doorbell at $98.99 (8.7/10 consensus). It works with Amazon Alexa.
What Experts Agree On
What Experts Love
- ✓ Z-Wave reliability — consistent signal in Ring security systems
- ✓ Native Ring Alarm integration — no extra setup
- ✓ 110° adjustable lens for placement flexibility
- ✓ Alexa integration for voice alerts
- ✓ Budget price at $20
Common Criticisms
- ✗ Best suited for Ring ecosystem — limited use outside Ring
- ✗ No Matter or Zigbee support
- ✗ Re-trigger time slower than Aqara P2
Tap any pick to check its live July 4th price on Amazon.

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What The Experts Say
“Reliable, affordable, and deeply integrated with Ring Alarm — buy it if you already own Ring, skip it if you don't”
Ready to buy the Ring Alarm Motion Detector?
Check Price on Amazon$18-$25 · 8 expert sources · 7.8/10 consensus
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Frequently Asked Questions
Is the Ring Alarm Motion Detector worth it?
The Ring Alarm Motion Detector earns a 7.8/10 consensus score across 8 expert sources and is rated "Recommended". At $18-$25, it is best for Ring system owners. CNET notes: "The Ring Alarm Motion Detector is the obvious choice for Ring system owners — Z-Wave reliability and native app integration make i..."
How much does the Ring Alarm Motion Detector cost?
The Ring Alarm Motion Detector is priced at $18-$25. With a 7.8/10 score from 8 expert reviews and a "Recommended" rating, that price represents fair value relative to the ~7.5/10 average for Security products. Prices shift often, so check the live figure before buying.
Who is the Ring Alarm Motion Detector best for?
The Ring Alarm Motion Detector is best for Ring system owners, Z-Wave homes, Budget security setups. Experts rate it "Recommended" with a 7.8/10 consensus across 8 sources.
How does the Ring Alarm Motion Detector compare to other Security options?
Among the Security products we have aggregated, the Ring Alarm Motion Detector ranks above average with a 7.8/10 score. PCMag adds: "Reliable, affordable, and deeply integrated with Ring Alarm — buy it if you already own Ring, skip it if you don't"
What smart home systems does the Ring Alarm Motion Detector work with?
The Ring Alarm Motion Detector works with Amazon Alexa. Check the compatibility notes above for any hub dependencies or setup requirements before you buy.
What are the best alternatives to the Ring Alarm Motion Detector?
If the Ring Alarm Motion Detector ($18-$25, 7.8/10) is not the right fit, the closest alternatives in Security are Aqara Motion Sensor P2, Samsung SmartThings Motion Sensor. Compare them on price, ecosystem support, and expert consensus to find your match.
What are the pros and cons of the Ring Alarm Motion Detector?
The main strengths of the Ring Alarm Motion Detector are z-wave reliability — consistent signal in ring security systems and native ring alarm integration — no extra setup. The most-cited downside is best suited for ring ecosystem — limited use outside ring. Overall, 8 expert sources rate it "Recommended" with a 7.8/10 consensus score.
Sources & Methodology
This review aggregates 8 independent expert reviews into a single consensus score. See how we build consensus scores and the SHE Score methodology.
Expert review sources cited on this page:
Affiliate disclosure: SmartHomeExplorer.com participates in the Amazon Associates program. We earn a commission from qualifying purchases at no extra cost to you. This consensus review is based on 8 independent expert reviews — we did not test this product ourselves. Always verify current prices and availability before purchasing.



