Device profile · Specifications & compatibility

Shelly Plus Smoke Alarm

Shelly · Smoke & CO Detectors · Model SNSN-0031Z

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  • Shelly Plus Smoke Alarm lists Smoke; Home Assistant; Battery Life: 5 years.
  • Verify the exact alarm model, applicable certification, placement and testing instructions; catalog data does not establish safety compliance.

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

Recorded year
2023
Recorded warranty
3 years
Dimensions
86 x 88 x 31 mm
Weight
95g

The details that shape your choice

Shelly Plus Smoke Alarm Quick Features

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

All specifications →
Smoke
Yes
Tests Itself
No
Fire Alerts
Yes
Low Battery Alerts
Yes
2.4 GHz Wi-Fi
Yes
Bluetooth
For Pairing

Make the differences clear

Which device fits your setup?

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

From specification to decision

Shelly Plus Smoke Alarm: 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 Shelly Plus Smoke Alarm

What is the smoke-detection capability of Shelly Plus Smoke Alarm?

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

View Smoke specifications →

Does Shelly Plus Smoke Alarm support a self-test feature?

No, according to the listed specifications. Verify what the self-test checks and follow the manufacturer’s required manual testing routine.

View Tests Itself specifications →

Does Shelly Plus Smoke Alarm 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 Shelly Plus Smoke Alarm 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 Shelly Plus Smoke Alarm 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

Shelly Plus Smoke Alarm 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
CoNo
OccupancyNo
TemperatureNo
HumidityNo
Air QualityNo
Ambient LightNo
MotionNo
Features6 fields
Features specifications
Built In SirenYes
Details & conditions

>85db

Built In LightYes
Tests ItselfNo
PathlightNo
Steam CheckNo
AutomationsYes
Alerts5 fields
Alerts specifications
Fire AlertsYes
Co AlertsNo
Low Battery AlertsYes
Temperature AlertsNo
Air Quality AlertsNo
Connectivity7 fields
Connectivity specifications
2.4 GHz Wi-FiYes
5 GHz Wi-FiNo
BluetoothFor Pairing
ZigbeeNo
Z WaveNo
ThreadNo
OtherNo
Display2 fields
Display specifications
ScreenNo
Screen TypeNot applicable / unspecified
Integrations6 fields
Integrations specifications
Google HomeYes
AlexaNo
Details & conditions

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

Apple HomeNo
SmartThingsYes
Home AssistantYes
MatterNo
Power3 fields
Power specifications
WiredNo
Battery TypeCR123A
Battery Life5 years

How this device compares

Shelly Plus Smoke Alarm 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

Built In Light: 10 of 24 known answers are Yes

Features: 42% among explicit Yes/No answers; 1 of 25 devices have no resolved answer. Check the specifications for this model’s conditions.

Recorded feature coverage

Fire Alerts: 21 of 25 known answers are Yes

Alerts: 84% among explicit Yes/No answers; 0 of 25 devices have no resolved answer. Check the specifications for this model’s conditions.

Recorded feature coverage

Smoke: 21 of 25 known answers are Yes

Sensors: 84% 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

1 of 25 models are from Shelly

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

What Should You Verify Before Buying Shelly Plus Smoke Alarm?

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 Shelly Plus Smoke Alarm vs Similar Smoke & CO Detectors

See how Shelly Plus Smoke Alarm 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.