The Smart Device Compare comparison

Sonoff SNZB-02DR2 AirGuard TH vs SwitchBot Meter Pro

Understand the differences. Decide what matters to your home.

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Before you compare every specification

Key differences between Sonoff SNZB-02DR2 AirGuard TH and SwitchBot Meter Pro

A summary of selected recorded differences between these temperature & humidity sensors. Check the full specification table below for details and conditions.

Feature differences among your selected devices
  • Date (display): Sonoff SNZB-02DR2 AirGuard TH — No; SwitchBot Meter Pro — Yes.
  • Time (display): Sonoff SNZB-02DR2 AirGuard TH — No (The screen layout published by SONOFF carries signal, battery, current and 24-hour max/min temperature and humidity, plus the remote sensor readings, and no clock); SwitchBot Meter Pro — Yes.
  • Weather Forecast (display): Sonoff SNZB-02DR2 AirGuard TH — No; SwitchBot Meter Pro — Yes.
Specifications to check side by side
  • Humidity Alerts (alerts): Sonoff SNZB-02DR2 AirGuard TH — Yes; SwitchBot Meter Pro — SwitchBot Hub required.
  • Temperature Alerts (alerts): Sonoff SNZB-02DR2 AirGuard TH — Yes (Comfort range thresholds push a notification from the eWeLink app when the reading leaves the band); SwitchBot Meter Pro — SwitchBot Hub required.
  • 2.4 GHz Wi-Fi (connectivity): Sonoff SNZB-02DR2 AirGuard TH — No; SwitchBot Meter Pro — SwitchBot Hub required.
  • Zigbee (connectivity): Sonoff SNZB-02DR2 AirGuard TH — Zigbee Hub required (Zigbee 3.0 end device on IEEE 802.15.4. The full feature set (remote access, scenes, alerts, remote temperature display) needs a gateway such as the ZBBridge-P, ZBBridge-U, NSPanel Pro or iHost, or a ZBDongle running Zigbee2MQTT or ZHA); SwitchBot Meter Pro — No.
Information still to confirm
  • 2 of 35 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.

What 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.

10differences with recorded values for every device
2rows with missing or unspecified information

Consider your setup

Apple Home

  • Sonoff SNZB-02DR2 AirGuard THSONOFF Hub required
  • SwitchBot Meter ProYes

Confirm which features appear in Apple Home and whether extra hardware or a subscription is needed for your intended use.

Inspect the specifications

Consider your setup

Matter

  • Sonoff SNZB-02DR2 AirGuard THSONOFF Hub required
  • SwitchBot Meter ProSwitchBot Hub required

Confirm the exact device type and the features exposed in your chosen platform. Protocol support does not establish feature parity across apps.

Inspect the specifications

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 35 of 35 rows. “Not recorded” does not mean “No”.

Alerts

Sonoff SNZB-02DR2 AirGuard TH
No
SwitchBot Meter Pro
No
Sonoff SNZB-02DR2 AirGuard TH
Yes
SwitchBot Meter Pro
SwitchBot Hub required
Sonoff SNZB-02DR2 AirGuard TH
Yes
Catalog note

SONOFF lists a low battery warning on eWeLink, Home Assistant and Alexa

SwitchBot Meter Pro
Yes
Sonoff SNZB-02DR2 AirGuard TH
Yes
Catalog note

Comfort range thresholds push a notification from the eWeLink app when the reading leaves the band

SwitchBot Meter Pro
SwitchBot Hub required

Connectivity

Sonoff SNZB-02DR2 AirGuard TH
No
SwitchBot Meter Pro
SwitchBot Hub required
Sonoff SNZB-02DR2 AirGuard TH
No
SwitchBot Meter Pro
No
Sonoff SNZB-02DR2 AirGuard TH
Yes
Catalog note

Proximity Mode pairs the sensor straight to a phone over Bluetooth in the eWeLink app, with live readings, history and Bluetooth OTA updates, and no gateway involved

SwitchBot Meter Pro
Yes
Sonoff SNZB-02DR2 AirGuard TH
No
SwitchBot Meter Pro
No
Sonoff SNZB-02DR2 AirGuard TH
No
SwitchBot Meter Pro
No
Sonoff SNZB-02DR2 AirGuard TH
No
SwitchBot Meter Pro
No
Sonoff SNZB-02DR2 AirGuard TH
Zigbee Hub required
Catalog note

Zigbee 3.0 end device on IEEE 802.15.4. The full feature set (remote access, scenes, alerts, remote temperature display) needs a gateway such as the ZBBridge-P, ZBBridge-U, NSPanel Pro or iHost, or a ZBDongle running Zigbee2MQTT or ZHA

SwitchBot Meter Pro
No

Display

Sonoff SNZB-02DR2 AirGuard TH
No
SwitchBot Meter Pro
No
Sonoff SNZB-02DR2 AirGuard TH
No
SwitchBot Meter Pro
Yes
Sonoff SNZB-02DR2 AirGuard TH
Yes
SwitchBot Meter Pro
Yes
Sonoff SNZB-02DR2 AirGuard TH
Not recorded
SwitchBot Meter Pro
Not recorded
Sonoff SNZB-02DR2 AirGuard TH
3.6"
Manufacturer source

The LCD measures 3.6 inches.

Sonoff SNZB-02DR2 AirGuard TH manufacturer product page →
Source section
Product description
Model
Sonoff SNZB-02DR2 AirGuard TH
Region
Manufacturer product page; no universal regional compatibility implied
Firmware
Not specified by this source
Checked

Remote sensor readings require compatible devices on the same SONOFF gateway.

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

SwitchBot Meter Pro
3.6"
Sonoff SNZB-02DR2 AirGuard TH
LCD
Manufacturer source

The device uses an LCD.

Sonoff SNZB-02DR2 AirGuard TH manufacturer product page →
Source section
Product description
Model
Sonoff SNZB-02DR2 AirGuard TH
Region
Manufacturer product page; no universal regional compatibility implied
Firmware
Not specified by this source
Checked

Remote sensor readings require compatible devices on the same SONOFF gateway.

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

SwitchBot Meter Pro
LCD
Sonoff SNZB-02DR2 AirGuard TH
No
Catalog note

The screen layout published by SONOFF carries signal, battery, current and 24-hour max/min temperature and humidity, plus the remote sensor readings, and no clock

SwitchBot Meter Pro
Yes
Sonoff SNZB-02DR2 AirGuard TH
No
Catalog note

A single physical button on the back handles wake-up, the temperature unit and pairing

SwitchBot Meter Pro
No
Sonoff SNZB-02DR2 AirGuard TH
No
SwitchBot Meter Pro
Yes

Features

Sonoff SNZB-02DR2 AirGuard TH
Yes
Catalog note

Smart scenes trigger above or below a temperature or humidity threshold, or when the device goes offline, with a false alarm delay. The sensor is a trigger only, never an action

SwitchBot Meter Pro
Yes
Sonoff SNZB-02DR2 AirGuard TH
Yes
Catalog note

Six months of records with average, max and min curves by day, week, month and half year, plus calculated dew point and VPD, and CSV export

SwitchBot Meter Pro
Yes
Catalog note

Local storage: 68 days | Server saves: Unlimited (requires Hub Mini)

Integrations

Sonoff SNZB-02DR2 AirGuard TH
Yes
Catalog note

SONOFF lists Alexa temperature voice queries, and an Echo with a built-in Zigbee hub (Echo Plus 2nd, Echo 4th, Echo Show 2nd) is named as a compatible gateway

SwitchBot Meter Pro
Yes
Sonoff SNZB-02DR2 AirGuard TH
SONOFF Hub required
Catalog note

The device is Zigbee, not HomeKit. SONOFF republishes it into the Apple Home app through its own Matter bridges (ZBBridge-U, eWeLink CUBE)

SwitchBot Meter Pro
Yes
Sonoff SNZB-02DR2 AirGuard TH
Yes
Catalog note

SONOFF lists Google Home voice queries for both temperature and humidity

SwitchBot Meter Pro
Yes
Sonoff SNZB-02DR2 AirGuard TH
Yes
Catalog note

Supported by Zigbee2MQTT, and by ZHA with the script SONOFF publishes in its help center

SwitchBot Meter Pro
Yes
Sonoff SNZB-02DR2 AirGuard TH
SONOFF Hub required
Catalog note

Not a Matter device itself: SONOFF bridges it into Matter through the ZBBridge-U and eWeLink CUBE

SwitchBot Meter Pro
SwitchBot Hub required
Sonoff SNZB-02DR2 AirGuard TH
Yes
Catalog note

SONOFF lists the Aeotec SmartThings Hub V3 as a compatible Zigbee gateway, with temperature and humidity voice queries on SmartThings

SwitchBot Meter Pro
Yes

Power

Sonoff SNZB-02DR2 AirGuard TH
Not recorded
SwitchBot Meter Pro
1 year
Sonoff SNZB-02DR2 AirGuard TH
2x AAA
SwitchBot Meter Pro
2x AA

Sensors

Sonoff SNZB-02DR2 AirGuard TH
No
SwitchBot Meter Pro
No
Sonoff SNZB-02DR2 AirGuard TH
No
SwitchBot Meter Pro
No
Sonoff SNZB-02DR2 AirGuard TH
Yes
Manufacturer source

The sensor measures relative humidity.

Sonoff SNZB-02DR2 AirGuard TH manufacturer product page →
Source section
Product description
Model
Sonoff SNZB-02DR2 AirGuard TH
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.

Catalog note

Accuracy 2% RH over 0 to 100% RH, resolution 1% RH on the screen and 0.1% in the app

SwitchBot Meter Pro
Yes
Sonoff SNZB-02DR2 AirGuard TH
No
SwitchBot Meter Pro
No
Sonoff SNZB-02DR2 AirGuard TH
Yes
Manufacturer source

The sensor measures air temperature.

Sonoff SNZB-02DR2 AirGuard TH manufacturer product page →
Source section
Product description
Model
Sonoff SNZB-02DR2 AirGuard TH
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.

Catalog note

Sensirion sensor, accuracy 0.2 C over the -20 to 60 C range, resolution 0.1 C

SwitchBot Meter Pro
Yes
Specifications for Sonoff SNZB-02DR2 AirGuard TH versus SwitchBot Meter Pro
SpecificationSonoff SNZB-02DR2 AirGuard THSwitchBot Meter Pro
Alerts
NoNo
YesSwitchBot Hub required
Yes
Catalog note

SONOFF lists a low battery warning on eWeLink, Home Assistant and Alexa

Yes
Yes
Catalog note

Comfort range thresholds push a notification from the eWeLink app when the reading leaves the band

SwitchBot Hub required
Connectivity
NoSwitchBot Hub required
NoNo
Yes
Catalog note

Proximity Mode pairs the sensor straight to a phone over Bluetooth in the eWeLink app, with live readings, history and Bluetooth OTA updates, and no gateway involved

Yes
NoNo
NoNo
NoNo
Zigbee Hub required
Catalog note

Zigbee 3.0 end device on IEEE 802.15.4. The full feature set (remote access, scenes, alerts, remote temperature display) needs a gateway such as the ZBBridge-P, ZBBridge-U, NSPanel Pro or iHost, or a ZBDongle running Zigbee2MQTT or ZHA

No
Display
NoNo
NoYes
YesYes
Not recordedNot recorded
3.6"
Manufacturer source

The LCD measures 3.6 inches.

Sonoff SNZB-02DR2 AirGuard TH manufacturer product page →
Source section
Product description
Model
Sonoff SNZB-02DR2 AirGuard TH
Region
Manufacturer product page; no universal regional compatibility implied
Firmware
Not specified by this source
Checked

Remote sensor readings require compatible devices on the same SONOFF gateway.

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

3.6"
LCD
Manufacturer source

The device uses an LCD.

Sonoff SNZB-02DR2 AirGuard TH manufacturer product page →
Source section
Product description
Model
Sonoff SNZB-02DR2 AirGuard TH
Region
Manufacturer product page; no universal regional compatibility implied
Firmware
Not specified by this source
Checked

Remote sensor readings require compatible devices on the same SONOFF gateway.

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

LCD
No
Catalog note

The screen layout published by SONOFF carries signal, battery, current and 24-hour max/min temperature and humidity, plus the remote sensor readings, and no clock

Yes
No
Catalog note

A single physical button on the back handles wake-up, the temperature unit and pairing

No
NoYes
Features
Yes
Catalog note

Smart scenes trigger above or below a temperature or humidity threshold, or when the device goes offline, with a false alarm delay. The sensor is a trigger only, never an action

Yes
Yes
Catalog note

Six months of records with average, max and min curves by day, week, month and half year, plus calculated dew point and VPD, and CSV export

Yes
Catalog note

Local storage: 68 days | Server saves: Unlimited (requires Hub Mini)

Integrations
Yes
Catalog note

SONOFF lists Alexa temperature voice queries, and an Echo with a built-in Zigbee hub (Echo Plus 2nd, Echo 4th, Echo Show 2nd) is named as a compatible gateway

Yes
SONOFF Hub required
Catalog note

The device is Zigbee, not HomeKit. SONOFF republishes it into the Apple Home app through its own Matter bridges (ZBBridge-U, eWeLink CUBE)

Yes
Yes
Catalog note

SONOFF lists Google Home voice queries for both temperature and humidity

Yes
Yes
Catalog note

Supported by Zigbee2MQTT, and by ZHA with the script SONOFF publishes in its help center

Yes
SONOFF Hub required
Catalog note

Not a Matter device itself: SONOFF bridges it into Matter through the ZBBridge-U and eWeLink CUBE

SwitchBot Hub required
Yes
Catalog note

SONOFF lists the Aeotec SmartThings Hub V3 as a compatible Zigbee gateway, with temperature and humidity voice queries on SmartThings

Yes
Power
Not recorded1 year
2x AAA2x AA
Sensors
NoNo
NoNo
Yes
Manufacturer source

The sensor measures relative humidity.

Sonoff SNZB-02DR2 AirGuard TH manufacturer product page →
Source section
Product description
Model
Sonoff SNZB-02DR2 AirGuard TH
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.

Catalog note

Accuracy 2% RH over 0 to 100% RH, resolution 1% RH on the screen and 0.1% in the app

Yes
NoNo
Yes
Manufacturer source

The sensor measures air temperature.

Sonoff SNZB-02DR2 AirGuard TH manufacturer product page →
Source section
Product description
Model
Sonoff SNZB-02DR2 AirGuard TH
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.

Catalog note

Sensirion sensor, accuracy 0.2 C over the -20 to 60 C range, resolution 0.1 C

Yes

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