
The Smart Device Compare comparison
Sonoff SNZB-02DR2 AirGuard TH vs SwitchBot Meter Pro
Understand the differences. Decide what matters to your home.
Build another comparison →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.
- 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.
- 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.
- 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.
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 specificationsConsider 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 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 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
| Specification | Sonoff SNZB-02DR2 AirGuard TH | SwitchBot Meter Pro |
|---|---|---|
| Alerts | ||
| No | No | |
| Yes | SwitchBot Hub required | |
YesCatalog noteSONOFF lists a low battery warning on eWeLink, Home Assistant and Alexa | Yes | |
YesCatalog noteComfort range thresholds push a notification from the eWeLink app when the reading leaves the band | SwitchBot Hub required | |
| Connectivity | ||
| No | SwitchBot Hub required | |
| No | No | |
YesCatalog noteProximity 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 | |
| No | No | |
| No | No | |
| No | No | |
Zigbee Hub requiredCatalog noteZigbee 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 | ||
| No | No | |
| No | Yes | |
| Yes | Yes | |
| Not recorded | Not recorded | |
3.6"Manufacturer sourceThe LCD measures 3.6 inches. Sonoff SNZB-02DR2 AirGuard TH manufacturer product page →
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" | |
LCDManufacturer sourceThe device uses an LCD. Sonoff SNZB-02DR2 AirGuard TH manufacturer product page →
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 | |
NoCatalog noteThe 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 | |
NoCatalog noteA single physical button on the back handles wake-up, the temperature unit and pairing | No | |
| No | Yes | |
| Features | ||
YesCatalog noteSmart 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 | |
YesCatalog noteSix 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 | YesCatalog noteLocal storage: 68 days | Server saves: Unlimited (requires Hub Mini) | |
| Integrations | ||
YesCatalog noteSONOFF 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 requiredCatalog noteThe device is Zigbee, not HomeKit. SONOFF republishes it into the Apple Home app through its own Matter bridges (ZBBridge-U, eWeLink CUBE) | Yes | |
YesCatalog noteSONOFF lists Google Home voice queries for both temperature and humidity | Yes | |
YesCatalog noteSupported by Zigbee2MQTT, and by ZHA with the script SONOFF publishes in its help center | Yes | |
SONOFF Hub requiredCatalog noteNot a Matter device itself: SONOFF bridges it into Matter through the ZBBridge-U and eWeLink CUBE | SwitchBot Hub required | |
YesCatalog noteSONOFF lists the Aeotec SmartThings Hub V3 as a compatible Zigbee gateway, with temperature and humidity voice queries on SmartThings | Yes | |
| Power | ||
| Not recorded | 1 year | |
| 2x AAA | 2x AA | |
| Sensors | ||
| No | No | |
| No | No | |
YesManufacturer sourceThe sensor measures relative humidity. Sonoff SNZB-02DR2 AirGuard TH manufacturer product page →
Document check only; not a hands-on test or verification of every regional or firmware variant. Catalog noteAccuracy 2% RH over 0 to 100% RH, resolution 1% RH on the screen and 0.1% in the app | Yes | |
| No | No | |
YesManufacturer sourceThe sensor measures air temperature. Sonoff SNZB-02DR2 AirGuard TH manufacturer product page →
Document check only; not a hands-on test or verification of every regional or firmware variant. Catalog noteSensirion 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