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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Before you compare every specification

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.

Specifications to check side by side
  • Range Of Detection (features): Ring Alarm Motion Detector — 7.6 m; Ring Motion Detector (3rd Gen) — 9.1 m.
Information still to confirm
  • 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.

1differences with recorded values for every device
6rows 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
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
Specifications for Ring Alarm Motion Detector versus Ring Motion Detector (3rd Gen)
SpecificationRing Alarm Motion DetectorRing Motion Detector (3rd Gen)
Alerts
Not recordedYes
Catalog note

The Ring app sends a low battery warning when the batteries need replacing

YesYes
Connectivity
NoNo
NoNo
NoNo
NoNo
Z-Wave Hub requiredZ-Wave Hub required
NoNo
Features
90°90°
NoNot recorded
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

Customizable sensitivity with pet-friendly settings that reduce false alerts from pets under 50 lbs

7.6 m9.1 m
Integrations
YesYes
NoNo
NoNo
YesYes
Catalog note

Ring Alarm motion sensors are exposed to Home Assistant through the ring-mqtt integration

NoNo
NoNo
Power
Not recorded2 years
2x AA2x AA
Sensors
Not recordedNo
YesYes
Catalog note

Passive infrared (PIR) motion detection

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