
The Smart Device Compare comparison
Ring Alarm Motion Detector vs Ring Motion Detector (3rd Gen)
Understand the differences. Decide what matters to your home.
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Key differences between Ring Alarm Motion Detector and Ring Motion Detector (3rd Gen)
A summary of selected recorded differences between these motion sensors. Check the full specification table below for details and conditions.
- Range Of Detection (features): Ring Alarm Motion Detector — 7.6 m; Ring Motion Detector (3rd Gen) — 9.1 m.
- 6 of 25 comparison fields lack a resolved value for at least one selected device. Missing information is not evidence that a feature is absent.
- Check the full table and manufacturer documentation before ruling out a device.
These observations are derived from recorded catalog data and have not all been independently verified. Confirm details with the manufacturer before purchasing.
Compare capabilities, compatibility and setup requirements.


What the catalog tells us
Understand the tradeoffs.
These counts describe the available data, not a quality score. More features do not automatically make a better device.
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Focus on what changes.
Mark the specifications you care about. Open manufacturer sources for verification scope; fields without citations remain catalog data. Expand notes for other qualifications.
Showing 25 of 25 rows. “Not recorded” does not mean “No”.
Alerts
- Ring Alarm Motion Detector
- Not recorded
- Ring Motion Detector (3rd Gen)
- Yes
Catalog note
The Ring app sends a low battery warning when the batteries need replacing
- Ring Alarm Motion Detector
- Yes
- Ring Motion Detector (3rd Gen)
- Yes
Connectivity
- Ring Alarm Motion Detector
- No
- Ring Motion Detector (3rd Gen)
- No
- Ring Alarm Motion Detector
- No
- Ring Motion Detector (3rd Gen)
- No
- Ring Alarm Motion Detector
- No
- Ring Motion Detector (3rd Gen)
- No
- Ring Alarm Motion Detector
- No
- Ring Motion Detector (3rd Gen)
- No
- Ring Alarm Motion Detector
- Z-Wave Hub required
- Ring Motion Detector (3rd Gen)
- Z-Wave Hub required
- Ring Alarm Motion Detector
- No
- Ring Motion Detector (3rd Gen)
- No
Features
- Ring Alarm Motion Detector
- 90°
- Ring Motion Detector (3rd Gen)
- 90°
- Ring Alarm Motion Detector
- No
- Ring Motion Detector (3rd Gen)
- Not recorded
- Ring Alarm Motion Detector
- Not recorded
- Ring Motion Detector (3rd Gen)
- Not recorded
- Ring Alarm Motion Detector
- Not recorded
- Ring Motion Detector (3rd Gen)
- Not recorded
- Ring Alarm Motion Detector
- Yes
Catalog note
Adjustable sensitivity in the Ring app with pet-friendly settings; at the lowest setting it ignores pets under 22 kg
- Ring Motion Detector (3rd Gen)
- Yes
Catalog note
Customizable sensitivity with pet-friendly settings that reduce false alerts from pets under 50 lbs
- Ring Alarm Motion Detector
- 7.6 m
- Ring Motion Detector (3rd Gen)
- 9.1 m
Integrations
- Ring Alarm Motion Detector
- Yes
- Ring Motion Detector (3rd Gen)
- Yes
- Ring Alarm Motion Detector
- No
- Ring Motion Detector (3rd Gen)
- No
- Ring Alarm Motion Detector
- No
- Ring Motion Detector (3rd Gen)
- No
- Ring Alarm Motion Detector
- Yes
- Ring Motion Detector (3rd Gen)
- Yes
Catalog note
Ring Alarm motion sensors are exposed to Home Assistant through the ring-mqtt integration
- Ring Alarm Motion Detector
- No
- Ring Motion Detector (3rd Gen)
- No
- Ring Alarm Motion Detector
- No
- Ring Motion Detector (3rd Gen)
- No
Power
- Ring Alarm Motion Detector
- Not recorded
- Ring Motion Detector (3rd Gen)
- 2 years
- Ring Alarm Motion Detector
- 2x AA
- Ring Motion Detector (3rd Gen)
- 2x AA
Sensors
- Ring Alarm Motion Detector
- Not recorded
- Ring Motion Detector (3rd Gen)
- No
- Ring Alarm Motion Detector
- Yes
- Ring Motion Detector (3rd Gen)
- Yes
Catalog note
Passive infrared (PIR) motion detection
- Ring Alarm Motion Detector
- No
- Ring Motion Detector (3rd Gen)
- No
| Specification | Ring Alarm Motion Detector | Ring Motion Detector (3rd Gen) |
|---|---|---|
| Alerts | ||
| Not recorded | YesCatalog noteThe Ring app sends a low battery warning when the batteries need replacing | |
| Yes | Yes | |
| Connectivity | ||
| No | No | |
| No | No | |
| No | No | |
| No | No | |
| Z-Wave Hub required | Z-Wave Hub required | |
| No | No | |
| Features | ||
| 90° | 90° | |
| No | Not recorded | |
| Not recorded | Not recorded | |
| Not recorded | Not recorded | |
YesCatalog noteAdjustable sensitivity in the Ring app with pet-friendly settings; at the lowest setting it ignores pets under 22 kg | YesCatalog noteCustomizable sensitivity with pet-friendly settings that reduce false alerts from pets under 50 lbs | |
| 7.6 m | 9.1 m | |
| Integrations | ||
| Yes | Yes | |
| No | No | |
| No | No | |
| Yes | YesCatalog noteRing Alarm motion sensors are exposed to Home Assistant through the ring-mqtt integration | |
| No | No | |
| No | No | |
| Power | ||
| Not recorded | 2 years | |
| 2x AA | 2x AA | |
| Sensors | ||
| Not recorded | No | |
| Yes | YesCatalog notePassive infrared (PIR) motion detection | |
| No | No | |
Know what’s behind the comparison.
The table matches specifications by section and field. It preserves notes, separates missing data from explicit “No” values, and keeps qualifications attached to their values. No overall winner is assigned from feature counts.
Read our comparison methodology