Device profile · Specifications & compatibility

Sonoff SNZB-02M AirGuard TH Pressure Sensor

Sonoff · Temperature & Humidity Sensors · Model SNZB-02M

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  • Sonoff SNZB-02M AirGuard TH Pressure Sensor lists Temperature Alerts; Humidity; Home Assistant.
  • Check configurable thresholds, notification routes and any hub requirement.

Browse more from Sonoff or explore all temperature & humidity sensors in our catalog.

Recorded year
2026
Recorded warranty
2 years
Dimensions
45 x 45 x 17.6 mm
Weight
27.3g

The details that shape your choice

Sonoff SNZB-02M AirGuard TH Pressure Sensor Quick Features

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

All specifications →
Temperature Alerts
Yes
Humidity
Yes
Screen
No
Humidity Alerts
Yes
Low Battery Alerts
Yes
Zigbee
Zigbee Hub required

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

Sonoff SNZB-02M AirGuard TH Pressure Sensor: Capabilities And Limitations

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

What it offers

  • Temperature alerts are recorded as an automation or notification option. Check configurable thresholds, notification routes and any hub requirement.

    View Temperature Alerts details →
  • 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 →

What to consider

About our sources and comparison method →

Questions About Sonoff SNZB-02M AirGuard TH Pressure Sensor

Does Sonoff SNZB-02M AirGuard TH Pressure Sensor provide temperature alerts?

Yes, according to the listed specifications. Check configurable thresholds, notification routes and any hub requirement.

View Temperature Alerts specifications →

What is the humidity-sensing capability of Sonoff SNZB-02M AirGuard TH Pressure Sensor?

The sensor measures relative humidity. Check the stated range and accuracy, then verify access to the reading in your platform.

Source: Sonoff SNZB-02M AirGuard TH Pressure Sensor manufacturer product page · Checked 2026-10-04

View Humidity specifications →

Does Sonoff SNZB-02M AirGuard TH Pressure Sensor include a screen?

No, according to the listed specifications. Check which readings or controls are available on the device without opening an app.

View Screen specifications →

Does Sonoff SNZB-02M AirGuard TH Pressure Sensor support Matter?

Matter is listed as “SONOFF Hub required”. The stated condition applies to this feature. 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 Sonoff SNZB-02M AirGuard TH Pressure Sensor 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 →

Explore the full picture

Sonoff SNZB-02M AirGuard TH Pressure Sensor Specifications

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

4 of 35 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 →

35 of 35 specifications · 7 sections

Alerts4 fields
Alerts specifications
Temperature AlertsYes
Humidity AlertsYes
Air Quality AlertsNo
Low Battery AlertsYes
Sensors5 fields
Sensors specifications
TemperatureYes
Manufacturer source

The sensor measures air temperature.

Sonoff SNZB-02M AirGuard TH Pressure Sensor manufacturer product page →
Source section
Product description
Model
Sonoff SNZB-02M AirGuard TH Pressure Sensor
Region
Manufacturer product page; no universal regional compatibility implied
Firmware
Not specified by this source
Checked

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

HumidityYes
Manufacturer source

The sensor measures relative humidity.

Sonoff SNZB-02M AirGuard TH Pressure Sensor manufacturer product page →
Source section
Product description
Model
Sonoff SNZB-02M AirGuard TH Pressure Sensor
Region
Manufacturer product page; no universal regional compatibility implied
Firmware
Not specified by this source
Checked

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

Atmospheric PressureYes
Manufacturer source

The device measures air pressure.

Sonoff SNZB-02M AirGuard TH Pressure Sensor manufacturer product page →
Source section
Product description
Model
Sonoff SNZB-02M AirGuard TH Pressure Sensor
Region
Manufacturer product page; no universal regional compatibility implied
Firmware
Not specified by this source
Checked

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

Air QualityNo
OccupancyNo
Display9 fields
Display specifications
ScreenNo
Screen TypeNot applicable / unspecified
Color ScreenNot applicable / unspecified
Touch ScreenNot applicable / unspecified
Screen SizeNot applicable / unspecified
Screen ResolutionNot applicable / unspecified
Weather ForecastNot applicable / unspecified
TimeNot applicable / unspecified
DateNot applicable / unspecified
Connectivity7 fields
Connectivity specifications
2.4 GHz Wi-FiNo
5 GHz Wi-FiNo
BluetoothNo
Z WaveNo
ZigbeeZigbee Hub required
ThreadNo
OtherNo
Features2 fields
Features specifications
AutomationsYes
History RecordsYes
Integrations6 fields
Integrations specifications
Google HomeYes
AlexaYes
Apple HomeSONOFF Hub required
SmartThingsYes
Home AssistantYes
MatterSONOFF Hub required
Power2 fields
Power specifications
Battery TypeCR2477
Manufacturer source

A CR2477 battery powers the sensor.

Sonoff SNZB-02M AirGuard TH Pressure Sensor manufacturer product page →
Source section
Product description
Model
Sonoff SNZB-02M AirGuard TH Pressure Sensor
Region
Manufacturer product page; no universal regional compatibility implied
Firmware
Not specified by this source
Checked

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

Battery Life2 years

How this device compares

Sonoff SNZB-02M AirGuard TH Pressure Sensor vs Other Similar Models

Statistical context from 36 temperature & humidity sensors in this catalog. These figures describe our recorded data, not independent measurements.

Recorded feature coverage

Atmospheric Pressure: 4 of 36 known answers are Yes

Sensors: 11% among explicit Yes/No answers; 0 of 36 devices have no resolved answer. Check the specifications for this model’s conditions.

Recorded feature coverage

Automations: 28 of 34 known answers are Yes

Features: 82% among explicit Yes/No answers; 2 of 36 devices have no resolved answer. Check the specifications for this model’s conditions.

Recorded feature coverage

Humidity: 30 of 36 known answers are Yes

Sensors: 83% among explicit Yes/No answers; 0 of 36 devices have no resolved answer. Check the specifications for this model’s conditions.

Brand representation in this directory

8 of 36 models are from Sonoff

Counts temperature & humidity sensors listed here, not sales or market share. Catalog inclusion does not imply a recommendation.

What Should You Verify Before Buying Sonoff SNZB-02M AirGuard TH Pressure Sensor?

These checks describe temperature & humidity sensors requirements. Confirm each one against the exact model’s current manufacturer documentation and your installation.

  1. Compare stated accuracy and measurement range.
  2. Choose an environmental rating suitable for the location.
  3. Check reporting intervals, history and data export.
  4. Verify that the intended thermostat or hub can use the readings.

Side-by-side specification comparison

Compare Sonoff SNZB-02M AirGuard TH Pressure Sensor vs Similar Temperature & Humidity Sensors

See how Sonoff SNZB-02M AirGuard TH Pressure Sensor stacks up against other temperature & humidity sensors 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.