The Smart Device Compare comparison

Ring Motion Detector (3rd Gen) vs Shelly Blu Motion

Understand the differences. Decide what matters to your home.

Before you compare every specification

Key differences between Ring Motion Detector (3rd Gen) 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 Motion Detector (3rd Gen) — No; Shelly Blu Motion — Yes (Bluetooth LE, requires a Shelly gateway (BLU Gateway or any Shelly Plus/Pro/Gen3 device)).
Google Home (integrations): Ring Motion Detector (3rd Gen) — No; Shelly Blu Motion — Yes.
Light (sensors): Ring Motion Detector (3rd Gen) — No; Shelly Blu Motion — Yes (Integrated LUX sensor).

Specifications to check side by side

Z Wave (connectivity): Ring Motion Detector (3rd Gen) — Z-Wave Hub required; Shelly Blu Motion — No.
Angle Of Detection (features): Ring Motion Detector (3rd Gen) — 90°; Shelly Blu Motion — 120°.
Range Of Detection (features): Ring Motion Detector (3rd Gen) — 9.1 m; Shelly Blu Motion — 9 m.
SmartThings (integrations): Ring Motion Detector (3rd Gen) — 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

4 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.

Option 1 · Ring

Ring Motion Detector (3rd Gen)

Last updated October 2026

View full device profile

Option 2 · Shelly

Shelly Blu Motion

Catalog update date not recorded

View full device profile

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.

9differences with recorded values for every device

4rows with missing or unspecified information

Consider your setup

Battery Life

Ring Motion Detector (3rd Gen)2 years
Shelly Blu Motion5 years

Compare the stated test conditions. Catalog battery figures alone do not predict runtime in your home.

Inspect the specifications

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.

Differences onlyMy priorities (0)

Showing 25 of 25 rows. “Not recorded” does not mean “No”.

Reading layout

Alerts

Low Battery Alerts

Ring Motion Detector (3rd Gen): Yes
Catalog note
The Ring app sends a low battery warning when the batteries need replacing
Shelly Blu Motion: Not recorded

Motion Alerts

Ring Motion Detector (3rd Gen): Yes
Shelly Blu Motion: Yes

Connectivity

2.4 GHz Wi-Fi

Ring Motion Detector (3rd Gen): No
Shelly Blu Motion: No

5 GHz Wi-Fi

Ring Motion Detector (3rd Gen): No
Shelly Blu Motion: No

Bluetooth

Ring Motion Detector (3rd Gen): No
Shelly Blu Motion: Yes
Catalog note
Bluetooth LE, requires a Shelly gateway (BLU Gateway or any Shelly Plus/Pro/Gen3 device)

Thread

Ring Motion Detector (3rd Gen): No
Shelly Blu Motion: No

Z Wave

Ring Motion Detector (3rd Gen): Z-Wave Hub required
Shelly Blu Motion: No

Zigbee

Ring Motion Detector (3rd Gen): No
Shelly Blu Motion: No

Features

Angle Of Detection

Ring Motion Detector (3rd Gen): 90°
Shelly Blu Motion: 120°

Automations

Ring Motion Detector (3rd Gen): Not recorded
Shelly Blu Motion: Yes

Detection Timeout

Ring Motion Detector (3rd Gen): Not recorded
Shelly Blu Motion: Not recorded

History Records

Ring Motion Detector (3rd Gen): Not recorded
Shelly Blu Motion: Not recorded

Motion Sensitivity

Ring Motion Detector (3rd Gen): Yes
Catalog note
Customizable sensitivity with pet-friendly settings that reduce false alerts from pets under 50 lbs
Shelly Blu Motion: Yes
Catalog note
Custom detection zones

Range Of Detection

Ring Motion Detector (3rd Gen): 9.1 m
Shelly Blu Motion: 9 m

Integrations

Alexa

Ring Motion Detector (3rd Gen): Yes
Shelly Blu Motion: Yes

Apple Home

Ring Motion Detector (3rd Gen): No
Shelly Blu Motion: No

Google Home

Ring Motion Detector (3rd Gen): No
Shelly Blu Motion: Yes

Home Assistant

Ring Motion Detector (3rd Gen): Yes
Catalog note
Ring Alarm motion sensors are exposed to Home Assistant through the ring-mqtt integration
Shelly Blu Motion: Yes

Matter

Ring Motion Detector (3rd Gen): No
Shelly Blu Motion: No

SmartThings

Ring Motion Detector (3rd Gen): 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

Battery Life

Ring Motion Detector (3rd Gen): 2 years
Shelly Blu Motion: 5 years

Battery Type

Ring Motion Detector (3rd Gen): 2x AA
Shelly Blu Motion: CR2477

Sensors

Light

Ring Motion Detector (3rd Gen): No
Shelly Blu Motion: Yes
Catalog note
Integrated LUX sensor

Motion

Ring Motion Detector (3rd Gen): Yes
Catalog note
Passive infrared (PIR) motion detection
Shelly Blu Motion: Yes

Temperature

Ring Motion Detector (3rd Gen): No
Shelly Blu Motion: No

Specifications for Ring Motion Detector (3rd Gen) versus Shelly Blu Motion
Specification	Ring Motion Detector (3rd Gen)	Shelly Blu Motion
Alerts
Low Battery Alerts	Yes Catalog note The Ring app sends a low battery warning when the batteries need replacing	Not recorded
Motion Alerts	Yes	Yes
Connectivity
2.4 GHz Wi-Fi	No	No
5 GHz Wi-Fi	No	No
Bluetooth	No	Yes Catalog note Bluetooth LE, requires a Shelly gateway (BLU Gateway or any Shelly Plus/Pro/Gen3 device)
Thread	No	No
Z Wave	Z-Wave Hub required	No
Zigbee	No	No
Features
Angle Of Detection	90°	120°
Automations	Not recorded	Yes
Detection Timeout	Not recorded	Not recorded
History Records	Not recorded	Not recorded
Motion Sensitivity	Yes Catalog note Customizable sensitivity with pet-friendly settings that reduce false alerts from pets under 50 lbs	Yes Catalog note Custom detection zones
Range Of Detection	9.1 m	9 m
Integrations
Alexa	Yes	Yes
Apple Home	No	No
Google Home	No	Yes
Home Assistant	Yes Catalog note Ring Alarm motion sensors are exposed to Home Assistant through the ring-mqtt integration	Yes
Matter	No	No
SmartThings	No	Shelly gateway required Catalog note Bluetooth-only device: reaches SmartThings through Shelly Cloud once a Shelly Wi-Fi device relays it
Power
Battery Life	2 years	5 years
Battery Type	2x AA	CR2477
Sensors
Light	No	Yes Catalog note Integrated LUX sensor
Motion	Yes Catalog note Passive infrared (PIR) motion detection	Yes
Temperature	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