
The Smart Device Compare comparison
Arlo All-in-One Sensor vs Ring Window and Door Contact Sensor (2nd gen)
Understand the differences. Decide what matters to your home.
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Key differences between Arlo All-in-One Sensor 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.
- Motion Alerts (alerts): Arlo All-in-One Sensor — Yes; Ring Window and Door Contact Sensor (2nd gen) — No.
- Google Home (integrations): Arlo All-in-One Sensor — Yes; Ring Window and Door Contact Sensor (2nd gen) — No.
- SmartThings (integrations): Arlo All-in-One Sensor — Yes (Via the official Arlo cloud-to-cloud integration); Ring Window and Door Contact Sensor (2nd gen) — No.
- Light (sensors): Arlo All-in-One Sensor — Yes; Ring Window and Door Contact Sensor (2nd gen) — No.
- Temperature Alerts (alerts): Arlo All-in-One Sensor — Low Temperatures; Ring Window and Door Contact Sensor (2nd gen) — No.
- Other (connectivity): Arlo All-in-One Sensor — Arlo Security System required; Ring Window and Door Contact Sensor (2nd gen) — No.
- Z Wave (connectivity): Arlo All-in-One Sensor — No; Ring Window and Door Contact Sensor (2nd gen) — Z-Wave Hub required.
- Battery Type (power): Arlo All-in-One Sensor — CR2477; Ring Window and Door Contact Sensor (2nd gen) — 2x CR2032.
- 35 of 56 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 2 · Ring
Ring Window and Door Contact Sensor (2nd gen)
Last updated October 2026
View full device profileWhat 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.
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 56 of 56 rows. “Not recorded” does not mean “No”.
Alerts
- Arlo All-in-One Sensor
- No
Catalog note
Additional catalog field from the temperature-humidity-sensors listing of this model.
- Ring Window and Door Contact Sensor (2nd gen)
- Not recorded
- Arlo All-in-One Sensor
- Yes
- Ring Window and Door Contact Sensor (2nd gen)
- Yes
- Arlo All-in-One Sensor
- Yes
Catalog note
Additional catalog field from the water-leak-sensors listing of this model.
- Ring Window and Door Contact Sensor (2nd gen)
- Not recorded
- Arlo All-in-One Sensor
- No
Catalog note
Additional catalog field from the temperature-humidity-sensors listing of this model.
- Ring Window and Door Contact Sensor (2nd gen)
- Not recorded
- Arlo All-in-One Sensor
- Not recorded
- Ring Window and Door Contact Sensor (2nd gen)
- Not recorded
- Arlo All-in-One Sensor
- Yes
- Ring Window and Door Contact Sensor (2nd gen)
- No
- Arlo All-in-One Sensor
- Not recorded
- 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
- Arlo All-in-One Sensor
- Low Temperatures
- Ring Window and Door Contact Sensor (2nd gen)
- No
- Arlo All-in-One Sensor
- Yes
Catalog note
Additional catalog field from the water-leak-sensors listing of this model.
- Ring Window and Door Contact Sensor (2nd gen)
- Not recorded
Connectivity
- Arlo All-in-One Sensor
- No
- Ring Window and Door Contact Sensor (2nd gen)
- No
- Arlo All-in-One Sensor
- No
- Ring Window and Door Contact Sensor (2nd gen)
- No
- Arlo All-in-One Sensor
- No
- Ring Window and Door Contact Sensor (2nd gen)
- No
- Arlo All-in-One Sensor
- Arlo Security System required
- Ring Window and Door Contact Sensor (2nd gen)
- No
- Arlo All-in-One Sensor
- No
- Ring Window and Door Contact Sensor (2nd gen)
- No
- Arlo All-in-One Sensor
- No
- Ring Window and Door Contact Sensor (2nd gen)
- Z-Wave Hub required
- Arlo All-in-One Sensor
- No
- Ring Window and Door Contact Sensor (2nd gen)
- No
Display
- Arlo All-in-One Sensor
- Not applicable / unspecified
Catalog note
Additional catalog field from the temperature-humidity-sensors listing of this model.
- Ring Window and Door Contact Sensor (2nd gen)
- Not recorded
- Arlo All-in-One Sensor
- Not applicable / unspecified
Catalog note
Additional catalog field from the temperature-humidity-sensors listing of this model.
- Ring Window and Door Contact Sensor (2nd gen)
- Not recorded
- Arlo All-in-One Sensor
- No
Catalog note
Additional catalog field from the temperature-humidity-sensors listing of this model.
- Ring Window and Door Contact Sensor (2nd gen)
- Not recorded
- Arlo All-in-One Sensor
- Not applicable / unspecified
Catalog note
Additional catalog field from the temperature-humidity-sensors listing of this model.
- Ring Window and Door Contact Sensor (2nd gen)
- Not recorded
- Arlo All-in-One Sensor
- Not applicable / unspecified
Catalog note
Additional catalog field from the temperature-humidity-sensors listing of this model.
- Ring Window and Door Contact Sensor (2nd gen)
- Not recorded
- Arlo All-in-One Sensor
- Not applicable / unspecified
Catalog note
Additional catalog field from the temperature-humidity-sensors listing of this model.
- Ring Window and Door Contact Sensor (2nd gen)
- Not recorded
- Arlo All-in-One Sensor
- Not applicable / unspecified
Catalog note
Additional catalog field from the temperature-humidity-sensors listing of this model.
- Ring Window and Door Contact Sensor (2nd gen)
- Not recorded
- Arlo All-in-One Sensor
- Not applicable / unspecified
Catalog note
Additional catalog field from the temperature-humidity-sensors listing of this model.
- Ring Window and Door Contact Sensor (2nd gen)
- Not recorded
- Arlo All-in-One Sensor
- Not applicable / unspecified
Catalog note
Additional catalog field from the temperature-humidity-sensors listing of this model.
- Ring Window and Door Contact Sensor (2nd gen)
- Not recorded
Features
- Arlo All-in-One Sensor
- Not recorded
Catalog note
Additional catalog field from the motion-sensors listing of this model.
- Ring Window and Door Contact Sensor (2nd gen)
- Not recorded
- Arlo All-in-One Sensor
- Yes
- Ring Window and Door Contact Sensor (2nd gen)
- Not recorded
- Arlo All-in-One Sensor
- Not recorded
Catalog note
Additional catalog field from the motion-sensors listing of this model.
- Ring Window and Door Contact Sensor (2nd gen)
- Not recorded
- Arlo All-in-One Sensor
- Not recorded
- Ring Window and Door Contact Sensor (2nd gen)
- Not recorded
- Arlo All-in-One Sensor
- Not recorded
- Ring Window and Door Contact Sensor (2nd gen)
- Not recorded
- Arlo All-in-One Sensor
- Not recorded
Catalog note
Additional catalog field from the motion-sensors listing of this model.
- Ring Window and Door Contact Sensor (2nd gen)
- Not recorded
- Arlo All-in-One Sensor
- No
Catalog note
Additional catalog field from the water-leak-sensors listing of this model.
- Ring Window and Door Contact Sensor (2nd gen)
- Not recorded
- Arlo All-in-One Sensor
- No
Catalog note
Additional catalog field from the water-leak-sensors listing of this model.
- Ring Window and Door Contact Sensor (2nd gen)
- Not recorded
- Arlo All-in-One Sensor
- Not recorded
- Ring Window and Door Contact Sensor (2nd gen)
- Not recorded
- Arlo All-in-One Sensor
- 6 m
Catalog note
Additional catalog field from the motion-sensors listing of this model.
- Ring Window and Door Contact Sensor (2nd gen)
- Not recorded
- Arlo All-in-One Sensor
- Not recorded
- Ring Window and Door Contact Sensor (2nd gen)
- Not recorded
Included Accessories
- Arlo All-in-One Sensor
- No
Catalog note
Additional catalog field from the water-leak-sensors listing of this model.
- Ring Window and Door Contact Sensor (2nd gen)
- Not recorded
Integrations
- Arlo All-in-One Sensor
- Yes
- Ring Window and Door Contact Sensor (2nd gen)
- Yes
- Arlo All-in-One Sensor
- No
- Ring Window and Door Contact Sensor (2nd gen)
- No
- Arlo All-in-One Sensor
- Yes
- Ring Window and Door Contact Sensor (2nd gen)
- No
- Arlo All-in-One Sensor
- Not recorded
- Ring Window and Door Contact Sensor (2nd gen)
- Yes
- Arlo All-in-One Sensor
- No
- Ring Window and Door Contact Sensor (2nd gen)
- No
- Arlo All-in-One Sensor
- Yes
Catalog note
Via the official Arlo cloud-to-cloud integration
- Ring Window and Door Contact Sensor (2nd gen)
- No
Power
- Arlo All-in-One Sensor
- Not recorded
- Ring Window and Door Contact Sensor (2nd gen)
- 3 years
- Arlo All-in-One Sensor
- CR2477
- Ring Window and Door Contact Sensor (2nd gen)
- 2x CR2032
- Arlo All-in-One Sensor
- No
Catalog note
Additional catalog field from the water-leak-sensors listing of this model.
- Ring Window and Door Contact Sensor (2nd gen)
- Not recorded
Sensors
- Arlo All-in-One Sensor
- No
Catalog note
Additional catalog field from the temperature-humidity-sensors listing of this model.
- Ring Window and Door Contact Sensor (2nd gen)
- Not recorded
- Arlo All-in-One Sensor
- No
Catalog note
Additional catalog field from the temperature-humidity-sensors listing of this model.
- Ring Window and Door Contact Sensor (2nd gen)
- Not recorded
- Arlo All-in-One Sensor
- Yes
- Ring Window and Door Contact Sensor (2nd gen)
- Yes
- Arlo All-in-One Sensor
- No
Catalog note
Additional catalog field from the temperature-humidity-sensors listing of this model.
- Ring Window and Door Contact Sensor (2nd gen)
- Not recorded
- Arlo All-in-One Sensor
- Yes
- Ring Window and Door Contact Sensor (2nd gen)
- No
- Arlo All-in-One Sensor
- Yes
- Ring Window and Door Contact Sensor (2nd gen)
- No
- Arlo All-in-One Sensor
- No
- Ring Window and Door Contact Sensor (2nd gen)
- No
- Arlo All-in-One Sensor
- Yes
- Ring Window and Door Contact Sensor (2nd gen)
- No
- Arlo All-in-One Sensor
- Yes
Catalog note
Additional catalog field from the water-leak-sensors listing of this model.
- Ring Window and Door Contact Sensor (2nd gen)
- Not recorded
- Arlo All-in-One Sensor
- Yes
Catalog note
Additional catalog field from the water-leak-sensors listing of this model.
- Ring Window and Door Contact Sensor (2nd gen)
- Not recorded
| Specification | Arlo All-in-One Sensor | Ring Window and Door Contact Sensor (2nd gen) |
|---|---|---|
| Alerts | ||
NoCatalog noteAdditional catalog field from the temperature-humidity-sensors listing of this model. | Not recorded | |
| Yes | Yes | |
YesCatalog noteAdditional catalog field from the water-leak-sensors listing of this model. | Not recorded | |
NoCatalog noteAdditional catalog field from the temperature-humidity-sensors listing of this model. | Not recorded | |
| Not recorded | Not recorded | |
| Yes | No | |
| Not recorded | YesCatalog noteRing 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 | |
| Low Temperatures | No | |
YesCatalog noteAdditional catalog field from the water-leak-sensors listing of this model. | Not recorded | |
| Connectivity | ||
| No | No | |
| No | No | |
| No | No | |
| Arlo Security System required | No | |
| No | No | |
| No | Z-Wave Hub required | |
| No | No | |
| Display | ||
Not applicable / unspecifiedCatalog noteAdditional catalog field from the temperature-humidity-sensors listing of this model. | Not recorded | |
Not applicable / unspecifiedCatalog noteAdditional catalog field from the temperature-humidity-sensors listing of this model. | Not recorded | |
NoCatalog noteAdditional catalog field from the temperature-humidity-sensors listing of this model. | Not recorded | |
Not applicable / unspecifiedCatalog noteAdditional catalog field from the temperature-humidity-sensors listing of this model. | Not recorded | |
Not applicable / unspecifiedCatalog noteAdditional catalog field from the temperature-humidity-sensors listing of this model. | Not recorded | |
Not applicable / unspecifiedCatalog noteAdditional catalog field from the temperature-humidity-sensors listing of this model. | Not recorded | |
Not applicable / unspecifiedCatalog noteAdditional catalog field from the temperature-humidity-sensors listing of this model. | Not recorded | |
Not applicable / unspecifiedCatalog noteAdditional catalog field from the temperature-humidity-sensors listing of this model. | Not recorded | |
Not applicable / unspecifiedCatalog noteAdditional catalog field from the temperature-humidity-sensors listing of this model. | Not recorded | |
| Features | ||
Not recordedCatalog noteAdditional catalog field from the motion-sensors listing of this model. | Not recorded | |
| Yes | Not recorded | |
Not recordedCatalog noteAdditional catalog field from the motion-sensors listing of this model. | Not recorded | |
| Not recorded | Not recorded | |
| Not recorded | Not recorded | |
Not recordedCatalog noteAdditional catalog field from the motion-sensors listing of this model. | Not recorded | |
NoCatalog noteAdditional catalog field from the water-leak-sensors listing of this model. | Not recorded | |
NoCatalog noteAdditional catalog field from the water-leak-sensors listing of this model. | Not recorded | |
| Not recorded | Not recorded | |
6 mCatalog noteAdditional catalog field from the motion-sensors listing of this model. | Not recorded | |
| Not recorded | Not recorded | |
| Included Accessories | ||
NoCatalog noteAdditional catalog field from the water-leak-sensors listing of this model. | Not recorded | |
| Integrations | ||
| Yes | Yes | |
| No | No | |
| Yes | No | |
| Not recorded | Yes | |
| No | No | |
YesCatalog noteVia the official Arlo cloud-to-cloud integration | No | |
| Power | ||
| Not recorded | 3 years | |
| CR2477 | 2x CR2032 | |
NoCatalog noteAdditional catalog field from the water-leak-sensors listing of this model. | Not recorded | |
| Sensors | ||
NoCatalog noteAdditional catalog field from the temperature-humidity-sensors listing of this model. | Not recorded | |
NoCatalog noteAdditional catalog field from the temperature-humidity-sensors listing of this model. | Not recorded | |
| Yes | Yes | |
NoCatalog noteAdditional catalog field from the temperature-humidity-sensors listing of this model. | Not recorded | |
| Yes | No | |
| Yes | No | |
| No | No | |
| Yes | No | |
YesCatalog noteAdditional catalog field from the water-leak-sensors listing of this model. | Not recorded | |
YesCatalog noteAdditional catalog field from the water-leak-sensors listing of this model. | Not recorded | |
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