Device profile · Specifications & compatibility

Google Nest Protect (Battery)

Google · Smoke & CO Detectors · Model S3000BWES

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  • Google Nest Protect (Battery) lists Smoke; Tests Itself; Home Assistant.
  • Verify the exact alarm model, applicable certification, placement and testing instructions; catalog data does not establish safety compliance.

Browse more from Google or explore all smoke & co detectors in our catalog.

Recorded year
2015
Recorded warranty
2 years
Dimensions
134 x 134 x 38.5 mm
Weight
379g

The details that shape your choice

Google Nest Protect (Battery) Quick Features

Start with these specifications, then check the full details and conditions below.

All specifications →
Smoke
Yes
Tests Itself
Yes
Co Alerts
Yes
Fire Alerts
Yes
Low Battery Alerts
Yes
2.4 GHz Wi-Fi
Yes

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Which device fits your setup?

Choose another model to compare features, connections and requirements side by side.

From specification to decision

Google Nest Protect (Battery): Capabilities And Limitations

Based on listed specifications, not hands-on testing. Manufacturer sources are linked where checked.

What it offers

  • A Home Assistant integration is listed, providing an integration path to verify for the exact model. Check the exact integration and firmware. A catalog integration label does not establish local control, official support or available entities.

    View Home Assistant details →
  • Low-battery alerts are recorded, providing a maintenance notification to verify in the chosen platform. Check the alert destination and how disconnected-device status is handled.

    View Low Battery Alerts details →

About our sources and comparison method →

Questions About Google Nest Protect (Battery)

What is the smoke-detection capability of Google Nest Protect (Battery)?

Smoke: Yes. Verify the exact alarm model, applicable certification, placement and testing instructions; catalog data does not establish safety compliance.

View Smoke specifications →

Does Google Nest Protect (Battery) support a self-test feature?

Yes, according to the listed specifications. Verify what the self-test checks and follow the manufacturer’s required manual testing routine. 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

View Tests Itself specifications →

Does Google Nest Protect (Battery) support Matter?

No, according to the listed specifications. Verify the exact device type, firmware and features exposed in your chosen platform. Matter support is not proof of feature parity.

View Matter specifications →

Does Google Nest Protect (Battery) work with Home Assistant?

Yes, according to the listed specifications. Check the exact integration and firmware. A catalog integration label does not establish local control, official support or available entities.

View Home Assistant specifications →

Does Google Nest Protect (Battery) work with Apple Home?

No, according to the listed specifications. Check the model, firmware, exposed controls and any additional hardware requirements.

View Apple Home specifications →

Explore the full picture

Google Nest Protect (Battery) Specifications

Recorded catalog values. Expand notes for qualifications; unknown values are not treated as missing features.

0 of 37 fields matched to manufacturer documentation. Source checks apply only to the named model and stated scope. Other fields remain catalog data. How we verify specifications →

37 of 37 specifications · 7 sections

Sensors8 fields
Sensors specifications
SmokeYes
CoYes
OccupancyYes
TemperatureYes
Details & conditions

Detect sudden rises in room temperature.

HumidityYes
Details & conditions

Enables the Steam Check feature to reduce nuisance alarms caused by things like steam from your shower.

Air QualityNo
Ambient LightYes
Details & conditions

Detect when the room is dark so it can automatically turn on the Pathlight and Nightly Promise features.

MotionYes
Features6 fields
Features specifications
Built In SirenYes
Built In LightYes
Tests ItselfYes
Details & conditions

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

PathlightYes
Details & conditions

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.

Steam CheckYes
Details & conditions

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.

AutomationsNo
Alerts5 fields
Alerts specifications
Fire AlertsYes
Co AlertsYes
Details & conditions

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.

Low Battery AlertsYes
Temperature AlertsNo
Air Quality AlertsNo
Connectivity7 fields
Connectivity specifications
2.4 GHz Wi-FiYes
5 GHz Wi-FiNo
BluetoothYes
ZigbeeNo
Z WaveNo
ThreadNo
Other802.15.4 wireless interconnect
Details & conditions

Nest Weave interconnect between Protects, keeps working without Wi-Fi

Display2 fields
Display specifications
ScreenNo
Screen TypeNot applicable / unspecified
Integrations6 fields
Integrations specifications
Google HomeYes
AlexaNo
Details & conditions

Nest Protect has never been exposed to Alexa: Google keeps it inside the Google Home app

Apple HomeNo
SmartThingsNo
Home AssistantYes
MatterNo
Power3 fields
Power specifications
WiredNo
Battery Type6x AA
Battery Life2 years

How this device compares

Google Nest Protect (Battery) vs Other Similar Models

Statistical context from 25 smoke & co detectors in this catalog. These figures describe our recorded data, not independent measurements.

Recorded feature coverage

Ambient Light: 2 of 25 known answers are Yes

Sensors: 8% among explicit Yes/No answers; 0 of 25 devices have no resolved answer. Check the specifications for this model’s conditions.

Recorded feature coverage

Motion: 2 of 25 known answers are Yes

Sensors: 8% among explicit Yes/No answers; 0 of 25 devices have no resolved answer. Check the specifications for this model’s conditions.

Recorded feature coverage

Occupancy: 2 of 25 known answers are Yes

Sensors: 8% among explicit Yes/No answers; 0 of 25 devices have no resolved answer. Check the specifications for this model’s conditions.

Brand representation in this directory

2 of 25 models are from Google

Counts smoke & co detectors listed here, not sales or market share. Catalog inclusion does not imply a recommendation.

What Should You Verify Before Buying Google Nest Protect (Battery)?

These checks describe smoke & co detectors requirements. Confirm each one against the exact model’s current manufacturer documentation and your installation.

  1. Verify the required alarm type and applicable certification for the location.
  2. Check whether carbon monoxide detection is explicitly included.
  3. Confirm interconnection compatibility and behavior without internet.
  4. Follow the manufacturer instructions for placement, testing and replacement.

Side-by-side specification comparison

Compare Google Nest Protect (Battery) vs Similar Smoke & CO Detectors

See how Google Nest Protect (Battery) stacks up against other smoke & co detectors in this catalog. Compare specifications, compatibility and pricing.

Catalog specifications have not all been independently checked against manufacturer sources. Read our data and evidence methodology.