The Smart Device Compare comparison

Ring Alarm Motion Detector vs Shelly Blu Motion

Understand the differences. Decide what matters to your home.

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Before you compare every specification

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.

Feature differences among your selected devices
  • 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.
Specifications to check side by side
  • 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).
Information still to confirm
  • 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.

8differences with recorded values for every device
5rows with missing or unspecified information

Your priorities, side by side

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
Specifications for Ring Alarm Motion Detector versus Shelly Blu Motion
SpecificationRing Alarm Motion DetectorShelly Blu Motion
Alerts
Not recordedNot recorded
YesYes
Connectivity
NoNo
NoNo
NoYes
Catalog note

Bluetooth LE, requires a Shelly gateway (BLU Gateway or any Shelly Plus/Pro/Gen3 device)

NoNo
Z-Wave Hub requiredNo
NoNo
Features
90°120°
NoYes
Not recordedNot recorded
Not recordedNot recorded
Yes
Catalog note

Adjustable sensitivity in the Ring app with pet-friendly settings; at the lowest setting it ignores pets under 22 kg

Yes
Catalog note

Custom detection zones

7.6 m9 m
Integrations
YesYes
NoNo
NoYes
YesYes
NoNo
NoShelly gateway required
Catalog note

Bluetooth-only device: reaches SmartThings through Shelly Cloud once a Shelly Wi-Fi device relays it

Power
Not recorded5 years
2x AACR2477
Sensors
Not recordedYes
Catalog note

Integrated LUX sensor

YesYes
NoNo

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