The Smart Device Compare comparison
Google Nest Protect (Battery) vs YoLink Photoelectric Smoke Alarm
Understand the differences. Decide what matters to your home.
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Key differences between Google Nest Protect (Battery) and YoLink Photoelectric Smoke Alarm
A summary of selected recorded differences between these smoke & co detectors. Check the full specification table below for details and conditions.
Feature differences among your selected devices
- Co Alerts (alerts): Google Nest Protect (Battery) — Yes (Carbon monoxide is poisonous but you can't see it or smell it. Nest Protect has a carbon monoxide sensor available that lasts 10 years.); YoLink Photoelectric Smoke Alarm — No.
- 2.4 GHz Wi-Fi (connectivity): Google Nest Protect (Battery) — Yes; YoLink Photoelectric Smoke Alarm — No.
- Bluetooth (connectivity): Google Nest Protect (Battery) — Yes; YoLink Photoelectric Smoke Alarm — No.
- Automations (features): Google Nest Protect (Battery) — No; YoLink Photoelectric Smoke Alarm — Yes.
Specifications to check side by side
- Other (connectivity): Google Nest Protect (Battery) — 802.15.4 wireless interconnect (Nest Weave interconnect between Protects, keeps working without Wi-Fi); YoLink Photoelectric Smoke Alarm — LoRa (YoLink hub required).
- Battery Life (power): Google Nest Protect (Battery) — 2 years; YoLink Photoelectric Smoke Alarm — 5 years.
Information still to confirm
- 2 of 37 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 · YoLink
YoLink Photoelectric Smoke Alarm
Last updated September 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.
16differences with recorded values for every device
2rows with missing or unspecified information
Consider your setup
Battery Life
- Google Nest Protect (Battery)2 years
- YoLink Photoelectric Smoke Alarm5 years
Compare the stated test conditions. Catalog battery figures alone do not predict runtime in your home.
Inspect the specificationsYour 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 37 of 37 rows. “Not recorded” does not mean “No”.
Alerts
- Google Nest Protect (Battery)
- No
- YoLink Photoelectric Smoke Alarm
- No
- Google Nest Protect (Battery)
- Yes
Catalog note
Carbon monoxide is poisonous but you can't see it or smell it. Nest Protect has a carbon monoxide sensor available that lasts 10 years.
- YoLink Photoelectric Smoke Alarm
- No
- Google Nest Protect (Battery)
- Yes
- YoLink Photoelectric Smoke Alarm
- Yes
Catalog note
App, SMS and email alerts through a YoLink hub
- Google Nest Protect (Battery)
- Yes
- YoLink Photoelectric Smoke Alarm
- Yes
- Google Nest Protect (Battery)
- No
- YoLink Photoelectric Smoke Alarm
- No
Connectivity
- Google Nest Protect (Battery)
- Yes
- YoLink Photoelectric Smoke Alarm
- No
- Google Nest Protect (Battery)
- No
- YoLink Photoelectric Smoke Alarm
- No
- Google Nest Protect (Battery)
- Yes
- YoLink Photoelectric Smoke Alarm
- No
- Google Nest Protect (Battery)
- 802.15.4 wireless interconnect
Catalog note
Nest Weave interconnect between Protects, keeps working without Wi-Fi
- YoLink Photoelectric Smoke Alarm
- LoRa (YoLink hub required)
- Google Nest Protect (Battery)
- No
- YoLink Photoelectric Smoke Alarm
- No
- Google Nest Protect (Battery)
- No
- YoLink Photoelectric Smoke Alarm
- No
- Google Nest Protect (Battery)
- No
- YoLink Photoelectric Smoke Alarm
- No
Display
- Google Nest Protect (Battery)
- No
- YoLink Photoelectric Smoke Alarm
- No
- Google Nest Protect (Battery)
- Not applicable / unspecified
- YoLink Photoelectric Smoke Alarm
- Not applicable / unspecified
Features
- Google Nest Protect (Battery)
- No
- YoLink Photoelectric Smoke Alarm
- Yes
- Google Nest Protect (Battery)
- Yes
- YoLink Photoelectric Smoke Alarm
- No
- Google Nest Protect (Battery)
- Yes
- YoLink Photoelectric Smoke Alarm
- Yes
- Google Nest Protect (Battery)
- Yes
Catalog note
When you walk under Nest Protect at night, it will light your way. You can choose different light levels or turn Pathlight off entirely in the app.
- YoLink Photoelectric Smoke Alarm
- No
- Google Nest Protect (Battery)
- Yes
Catalog note
Has your alarm ever yelled at you for taking a shower? Nest Protect uses custom algorithms and a humidity sensor to look for steam, so you can enjoy a nice, quiet shower.
- YoLink Photoelectric Smoke Alarm
- No
- Google Nest Protect (Battery)
- Yes
Catalog note
Nest Protect checks its batteries and sensors over 400 times a day. And it uses Sound Check to quietly test its speaker and horn once a month
- YoLink Photoelectric Smoke Alarm
- Yes
Integrations
- Google Nest Protect (Battery)
- No
Catalog note
Nest Protect has never been exposed to Alexa: Google keeps it inside the Google Home app
- YoLink Photoelectric Smoke Alarm
- No
Catalog note
Alexa's smart home API has no smoke or CO alarm type: the only supported route is the Matter Smoke CO Alarm device type, which this alarm does not speak
- Google Nest Protect (Battery)
- No
- YoLink Photoelectric Smoke Alarm
- No
- Google Nest Protect (Battery)
- Yes
- YoLink Photoelectric Smoke Alarm
- No
- Google Nest Protect (Battery)
- Yes
- YoLink Photoelectric Smoke Alarm
- Yes
- Google Nest Protect (Battery)
- No
- YoLink Photoelectric Smoke Alarm
- No
- Google Nest Protect (Battery)
- No
- YoLink Photoelectric Smoke Alarm
- No
Power
- Google Nest Protect (Battery)
- 2 years
- YoLink Photoelectric Smoke Alarm
- 5 years
- Google Nest Protect (Battery)
- 6x AA
- YoLink Photoelectric Smoke Alarm
- Not recorded
- Google Nest Protect (Battery)
- No
- YoLink Photoelectric Smoke Alarm
- No
Sensors
- Google Nest Protect (Battery)
- No
- YoLink Photoelectric Smoke Alarm
- No
- Google Nest Protect (Battery)
- Yes
Catalog note
Detect when the room is dark so it can automatically turn on the Pathlight and Nightly Promise features.
- YoLink Photoelectric Smoke Alarm
- No
- Google Nest Protect (Battery)
- Yes
- YoLink Photoelectric Smoke Alarm
- No
- Google Nest Protect (Battery)
- Yes
Catalog note
Enables the Steam Check feature to reduce nuisance alarms caused by things like steam from your shower.
- YoLink Photoelectric Smoke Alarm
- No
- Google Nest Protect (Battery)
- Yes
- YoLink Photoelectric Smoke Alarm
- No
- Google Nest Protect (Battery)
- Yes
- YoLink Photoelectric Smoke Alarm
- No
- Google Nest Protect (Battery)
- Yes
- YoLink Photoelectric Smoke Alarm
- Yes
Catalog note
Photoelectric sensor certified to UL 217 10th Edition and CAN/ULC S531
- Google Nest Protect (Battery)
- Yes
Catalog note
Detect sudden rises in room temperature.
- YoLink Photoelectric Smoke Alarm
- No
| Specification | Google Nest Protect (Battery) | YoLink Photoelectric Smoke Alarm |
|---|---|---|
| Alerts | ||
| No | No | |
YesCatalog noteCarbon monoxide is poisonous but you can't see it or smell it. Nest Protect has a carbon monoxide sensor available that lasts 10 years. | No | |
| Yes | YesCatalog noteApp, SMS and email alerts through a YoLink hub | |
| Yes | Yes | |
| No | No | |
| Connectivity | ||
| Yes | No | |
| No | No | |
| Yes | No | |
802.15.4 wireless interconnectCatalog noteNest Weave interconnect between Protects, keeps working without Wi-Fi | LoRa (YoLink hub required) | |
| No | No | |
| No | No | |
| No | No | |
| Display | ||
| No | No | |
| Not applicable / unspecified | Not applicable / unspecified | |
| Features | ||
| No | Yes | |
| Yes | No | |
| Yes | Yes | |
YesCatalog noteWhen you walk under Nest Protect at night, it will light your way. You can choose different light levels or turn Pathlight off entirely in the app. | No | |
YesCatalog noteHas your alarm ever yelled at you for taking a shower? Nest Protect uses custom algorithms and a humidity sensor to look for steam, so you can enjoy a nice, quiet shower. | No | |
YesCatalog noteNest Protect checks its batteries and sensors over 400 times a day. And it uses Sound Check to quietly test its speaker and horn once a month | Yes | |
| Integrations | ||
NoCatalog noteNest Protect has never been exposed to Alexa: Google keeps it inside the Google Home app | NoCatalog noteAlexa's smart home API has no smoke or CO alarm type: the only supported route is the Matter Smoke CO Alarm device type, which this alarm does not speak | |
| No | No | |
| Yes | No | |
| Yes | Yes | |
| No | No | |
| No | No | |
| Power | ||
| 2 years | 5 years | |
| 6x AA | Not recorded | |
| No | No | |
| Sensors | ||
| No | No | |
YesCatalog noteDetect when the room is dark so it can automatically turn on the Pathlight and Nightly Promise features. | No | |
| Yes | No | |
YesCatalog noteEnables the Steam Check feature to reduce nuisance alarms caused by things like steam from your shower. | No | |
| Yes | No | |
| Yes | No | |
| Yes | YesCatalog notePhotoelectric sensor certified to UL 217 10th Edition and CAN/ULC S531 | |
YesCatalog noteDetect sudden rises in room temperature. | 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