
The Smart Device Compare comparison
Ring Alarm Motion Detector vs Shelly Blu Motion
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Key differences between Ring Alarm Motion Detector and Shelly Blu Motion
A summary of selected recorded differences between these motion sensors. Check the full specification table below for details and conditions.
- Bluetooth (connectivity): Ring Alarm Motion Detector — No; Shelly Blu Motion — Yes (Bluetooth LE, requires a Shelly gateway (BLU Gateway or any Shelly Plus/Pro/Gen3 device)).
- Automations (features): Ring Alarm Motion Detector — No; Shelly Blu Motion — Yes.
- Google Home (integrations): Ring Alarm Motion Detector — No; Shelly Blu Motion — Yes.
- Z Wave (connectivity): Ring Alarm Motion Detector — Z-Wave Hub required; Shelly Blu Motion — No.
- Angle Of Detection (features): Ring Alarm Motion Detector — 90°; Shelly Blu Motion — 120°.
- Range Of Detection (features): Ring Alarm Motion Detector — 7.6 m; Shelly Blu Motion — 9 m.
- SmartThings (integrations): Ring Alarm Motion Detector — No; Shelly Blu Motion — Shelly gateway required (Bluetooth-only device: reaches SmartThings through Shelly Cloud once a Shelly Wi-Fi device relays it).
- 5 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
- Shelly Blu Motion
- Not recorded
- Ring Alarm Motion Detector
- Yes
- Shelly Blu Motion
- Yes
Connectivity
- Ring Alarm Motion Detector
- No
- Shelly Blu Motion
- No
- Ring Alarm Motion Detector
- No
- Shelly Blu Motion
- No
- Ring Alarm Motion Detector
- No
- Shelly Blu Motion
- Yes
Catalog note
Bluetooth LE, requires a Shelly gateway (BLU Gateway or any Shelly Plus/Pro/Gen3 device)
- Ring Alarm Motion Detector
- No
- Shelly Blu Motion
- No
- Ring Alarm Motion Detector
- Z-Wave Hub required
- Shelly Blu Motion
- No
- Ring Alarm Motion Detector
- No
- Shelly Blu Motion
- No
Features
- Ring Alarm Motion Detector
- 90°
- Shelly Blu Motion
- 120°
- Ring Alarm Motion Detector
- No
- Shelly Blu Motion
- Yes
- Ring Alarm Motion Detector
- Not recorded
- Shelly Blu Motion
- Not recorded
- Ring Alarm Motion Detector
- Not recorded
- Shelly Blu Motion
- 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
- Shelly Blu Motion
- Yes
Catalog note
Custom detection zones
- Ring Alarm Motion Detector
- 7.6 m
- Shelly Blu Motion
- 9 m
Integrations
- Ring Alarm Motion Detector
- Yes
- Shelly Blu Motion
- Yes
- Ring Alarm Motion Detector
- No
- Shelly Blu Motion
- No
- Ring Alarm Motion Detector
- No
- Shelly Blu Motion
- Yes
- Ring Alarm Motion Detector
- Yes
- Shelly Blu Motion
- Yes
- Ring Alarm Motion Detector
- No
- Shelly Blu Motion
- No
- Ring Alarm Motion Detector
- No
- Shelly Blu Motion
- Shelly gateway required
Catalog note
Bluetooth-only device: reaches SmartThings through Shelly Cloud once a Shelly Wi-Fi device relays it
Power
- Ring Alarm Motion Detector
- Not recorded
- Shelly Blu Motion
- 5 years
- Ring Alarm Motion Detector
- 2x AA
- Shelly Blu Motion
- CR2477
Sensors
- Ring Alarm Motion Detector
- Not recorded
- Shelly Blu Motion
- Yes
Catalog note
Integrated LUX sensor
- Ring Alarm Motion Detector
- Yes
- Shelly Blu Motion
- Yes
- Ring Alarm Motion Detector
- No
- Shelly Blu Motion
- No
| Specification | Ring Alarm Motion Detector | Shelly Blu Motion |
|---|---|---|
| Alerts | ||
| Not recorded | Not recorded | |
| Yes | Yes | |
| Connectivity | ||
| No | No | |
| No | No | |
| No | YesCatalog noteBluetooth LE, requires a Shelly gateway (BLU Gateway or any Shelly Plus/Pro/Gen3 device) | |
| No | No | |
| Z-Wave Hub required | No | |
| No | No | |
| Features | ||
| 90° | 120° | |
| No | Yes | |
| 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 noteCustom detection zones | |
| 7.6 m | 9 m | |
| Integrations | ||
| Yes | Yes | |
| No | No | |
| No | Yes | |
| Yes | Yes | |
| No | No | |
| No | Shelly gateway requiredCatalog noteBluetooth-only device: reaches SmartThings through Shelly Cloud once a Shelly Wi-Fi device relays it | |
| Power | ||
| Not recorded | 5 years | |
| 2x AA | CR2477 | |
| Sensors | ||
| Not recorded | YesCatalog noteIntegrated LUX sensor | |
| Yes | Yes | |
| 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