The Smart Device Compare comparison

Aqara Door and Window Sensor P2 vs Ring Window and Door Contact Sensor (2nd gen)

Understand the differences. Decide what matters to your home.

Before you compare every specification

Key differences between Aqara Door and Window Sensor P2 and Ring Window and Door Contact Sensor (2nd gen)

A summary of selected recorded differences between these door & window sensors. Check the full specification table below for details and conditions.

Feature differences among your selected devices

Bluetooth (connectivity): Aqara Door and Window Sensor P2 — Yes; Ring Window and Door Contact Sensor (2nd gen) — No.
Apple Home (integrations): Aqara Door and Window Sensor P2 — Yes; Ring Window and Door Contact Sensor (2nd gen) — No.
Google Home (integrations): Aqara Door and Window Sensor P2 — Yes; Ring Window and Door Contact Sensor (2nd gen) — No.
Matter (integrations): Aqara Door and Window Sensor P2 — Yes; Ring Window and Door Contact Sensor (2nd gen) — No.

Specifications to check side by side

Tamper Alerts (alerts): Aqara Door and Window Sensor P2 — Aqara Hub required (The Tamper Alarm feature will send immediate alerts to your smartphone if the sensor is tampered with.); Ring Window and Door Contact Sensor (2nd gen) — Yes (Ring documents resolving a tampered Contact Sensor (1st and 2nd Gens): the tamper switch sounds the Alarm siren and shows the Tampered indicator in the app).
Thread (connectivity): Aqara Door and Window Sensor P2 — Thread Border Router required; Ring Window and Door Contact Sensor (2nd gen) — No.
Z Wave (connectivity): Aqara Door and Window Sensor P2 — No; Ring Window and Door Contact Sensor (2nd gen) — Z-Wave Hub required.
Battery Life (power): Aqara Door and Window Sensor P2 — 2 years; Ring Window and Door Contact Sensor (2nd gen) — 3 years.

Information still to confirm

6 of 30 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 · Aqara

Aqara Door and Window Sensor P2

Last updated October 2026

View full device profile

Option 2 · Ring

Ring Window and Door Contact Sensor (2nd gen)

Last updated October 2026

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.

10differences with recorded values for every device

6rows with missing or unspecified information

Consider your setup

Apple Home

Aqara Door and Window Sensor P2Yes
Ring Window and Door Contact Sensor (2nd gen)No

Confirm which features appear in Apple Home and whether extra hardware or a subscription is needed for your intended use.

Inspect the specifications

Consider your setup

Matter

Aqara Door and Window Sensor P2Yes
Ring Window and Door Contact Sensor (2nd gen)No

Confirm the exact device type and the features exposed in your chosen platform. Protocol support does not establish feature parity across apps.

Inspect the specifications

Consider your setup

Battery Life

Aqara Door and Window Sensor P22 years
Ring Window and Door Contact Sensor (2nd gen)3 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 30 of 30 rows. “Not recorded” does not mean “No”.

Reading layout

Alerts

Door Window Alerts

Aqara Door and Window Sensor P2: Yes
Ring Window and Door Contact Sensor (2nd gen): Yes

Low Battery Alerts

Aqara Door and Window Sensor P2: Not recorded
Ring Window and Door Contact Sensor (2nd gen): Not recorded

Motion Alerts

Aqara Door and Window Sensor P2: No
Ring Window and Door Contact Sensor (2nd gen): No

Tamper Alerts

Aqara Door and Window Sensor P2: Aqara Hub required
Catalog note
The Tamper Alarm feature will send immediate alerts to your smartphone if the sensor is tampered with.
Ring Window and Door Contact Sensor (2nd gen): Yes
Catalog note
Ring documents resolving a tampered Contact Sensor (1st and 2nd Gens): the tamper switch sounds the Alarm siren and shows the Tampered indicator in the app

Temperature Alerts

Aqara Door and Window Sensor P2: No
Ring Window and Door Contact Sensor (2nd gen): No

Connectivity

2.4 GHz Wi-Fi

Aqara Door and Window Sensor P2: No
Ring Window and Door Contact Sensor (2nd gen): No

5 GHz Wi-Fi

Aqara Door and Window Sensor P2: No
Ring Window and Door Contact Sensor (2nd gen): No

Bluetooth

Aqara Door and Window Sensor P2: Yes
Ring Window and Door Contact Sensor (2nd gen): No

Other

Aqara Door and Window Sensor P2: No
Ring Window and Door Contact Sensor (2nd gen): No

Thread

Aqara Door and Window Sensor P2

Thread Border Router required

Manufacturer source

It communicates through Thread.

Aqara Door and Window Sensor P2 manufacturer product page →

Source section: Product description
Model: Aqara Door and Window Sensor P2
Region: Manufacturer product page; no universal regional compatibility implied
Firmware: Not specified by this source
Checked: 2026-10-04

Requires a Matter controller and Thread border router. Exposed automations vary by ecosystem.

Document check only; not a hands-on test or verification of every regional or firmware variant.

Ring Window and Door Contact Sensor (2nd gen)

Z Wave

Aqara Door and Window Sensor P2: No
Ring Window and Door Contact Sensor (2nd gen): Z-Wave Hub required

Zigbee

Aqara Door and Window Sensor P2: No
Ring Window and Door Contact Sensor (2nd gen): No

Features

Automations

Aqara Door and Window Sensor P2: Yes
Ring Window and Door Contact Sensor (2nd gen): Not recorded

History Records

Aqara Door and Window Sensor P2: Not recorded
Ring Window and Door Contact Sensor (2nd gen): Not recorded

Minimum Detection Distance

Aqara Door and Window Sensor P2: Not recorded
Ring Window and Door Contact Sensor (2nd gen): Not recorded

Ota

Aqara Door and Window Sensor P2: Not recorded
Ring Window and Door Contact Sensor (2nd gen): Not recorded

Sensitivity

Aqara Door and Window Sensor P2: Aqara Hub required
Ring Window and Door Contact Sensor (2nd gen): Not recorded

Integrations

Alexa

Aqara Door and Window Sensor P2: Yes
Ring Window and Door Contact Sensor (2nd gen): Yes

Apple Home

Aqara Door and Window Sensor P2: Yes
Ring Window and Door Contact Sensor (2nd gen): No

Google Home

Aqara Door and Window Sensor P2: Yes
Ring Window and Door Contact Sensor (2nd gen): No

Home Assistant

Aqara Door and Window Sensor P2: Yes
Ring Window and Door Contact Sensor (2nd gen): Yes

Matter

Aqara Door and Window Sensor P2

Yes

Manufacturer source

The sensor supports Matter.

Aqara Door and Window Sensor P2 manufacturer product page →

Source section: Product description
Model: Aqara Door and Window Sensor P2
Region: Manufacturer product page; no universal regional compatibility implied
Firmware: Not specified by this source
Checked: 2026-10-04

Requires a Matter controller and Thread border router. Exposed automations vary by ecosystem.

Document check only; not a hands-on test or verification of every regional or firmware variant.

Ring Window and Door Contact Sensor (2nd gen)

SmartThings

Aqara Door and Window Sensor P2: Yes
Ring Window and Door Contact Sensor (2nd gen): No

Power

Battery Life

Aqara Door and Window Sensor P2: 2 years
Ring Window and Door Contact Sensor (2nd gen): 3 years

Battery Type

Aqara Door and Window Sensor P2: CR123A
Ring Window and Door Contact Sensor (2nd gen): 2x CR2032

Sensors

Door Window

Aqara Door and Window Sensor P2

Yes

Manufacturer source

A Hall sensor detects open and closed states.

Aqara Door and Window Sensor P2 manufacturer product page →

Source section: Product description
Model: Aqara Door and Window Sensor P2
Region: Manufacturer product page; no universal regional compatibility implied
Firmware: Not specified by this source
Checked: 2026-10-04

Requires a Matter controller and Thread border router. Exposed automations vary by ecosystem.

Document check only; not a hands-on test or verification of every regional or firmware variant.

Ring Window and Door Contact Sensor (2nd gen)

Yes

Light

Aqara Door and Window Sensor P2: No
Ring Window and Door Contact Sensor (2nd gen): No

Motion

Aqara Door and Window Sensor P2: No
Ring Window and Door Contact Sensor (2nd gen): No

Occupancy

Aqara Door and Window Sensor P2: No
Ring Window and Door Contact Sensor (2nd gen): No

Temperature

Aqara Door and Window Sensor P2: No
Ring Window and Door Contact Sensor (2nd gen): No

Specifications for Aqara Door and Window Sensor P2 versus Ring Window and Door Contact Sensor (2nd gen)
Specification	Aqara Door and Window Sensor P2	Ring Window and Door Contact Sensor (2nd gen)
Alerts
Door Window Alerts	Yes	Yes
Low Battery Alerts	Not recorded	Not recorded
Motion Alerts	No	No
Tamper Alerts	Aqara Hub required Catalog note The Tamper Alarm feature will send immediate alerts to your smartphone if the sensor is tampered with.	Yes Catalog note Ring documents resolving a tampered Contact Sensor (1st and 2nd Gens): the tamper switch sounds the Alarm siren and shows the Tampered indicator in the app
Temperature Alerts	No	No
Connectivity
2.4 GHz Wi-Fi	No	No
5 GHz Wi-Fi	No	No
Bluetooth	Yes	No
Other	No	No
Thread	Thread Border Router required Manufacturer source It communicates through Thread. Aqara Door and Window Sensor P2 manufacturer product page → Source section Product description Model Aqara Door and Window Sensor P2 Region Manufacturer product page; no universal regional compatibility implied Firmware Not specified by this source Checked 2026-10-04 Requires a Matter controller and Thread border router. Exposed automations vary by ecosystem. Document check only; not a hands-on test or verification of every regional or firmware variant.	No
Z Wave	No	Z-Wave Hub required
Zigbee	No	No
Features
Automations	Yes	Not recorded
History Records	Not recorded	Not recorded
Minimum Detection Distance	Not recorded	Not recorded
Ota	Not recorded	Not recorded
Sensitivity	Aqara Hub required	Not recorded
Integrations
Alexa	Yes	Yes
Apple Home	Yes	No
Google Home	Yes	No
Home Assistant	Yes	Yes
Matter	Yes Manufacturer source The sensor supports Matter. Aqara Door and Window Sensor P2 manufacturer product page → Source section Product description Model Aqara Door and Window Sensor P2 Region Manufacturer product page; no universal regional compatibility implied Firmware Not specified by this source Checked 2026-10-04 Requires a Matter controller and Thread border router. Exposed automations vary by ecosystem. Document check only; not a hands-on test or verification of every regional or firmware variant.	No
SmartThings	Yes	No
Power
Battery Life	2 years	3 years
Battery Type	CR123A	2x CR2032
Sensors
Door Window	Yes Manufacturer source A Hall sensor detects open and closed states. Aqara Door and Window Sensor P2 manufacturer product page → Source section Product description Model Aqara Door and Window Sensor P2 Region Manufacturer product page; no universal regional compatibility implied Firmware Not specified by this source Checked 2026-10-04 Requires a Matter controller and Thread border router. Exposed automations vary by ecosystem. Document check only; not a hands-on test or verification of every regional or firmware variant.	Yes
Light	No	No
Motion	No	No
Occupancy	No	No
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