Device profile · Specifications & compatibility
Sonoff SNZB-02DR2 AirGuard TH
Sonoff · Temperature & Humidity Sensors · Model SNZB-02DR2
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- Sonoff SNZB-02DR2 AirGuard TH lists Temperature Alerts; Humidity; Screen.
- Check configurable thresholds, notification routes and any hub requirement.
Browse more from Sonoff or explore all temperature & humidity sensors in our catalog.
- Recorded year
- 2025
- Recorded warranty
- 2 years
- Dimensions
- 95 x 70 x 18.2 mm
- Weight
- 99.3g
The details that shape your choice
Sonoff SNZB-02DR2 AirGuard TH Quick Features
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Sonoff SNZB-02DR2 AirGuard TH: 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. Comfort range thresholds push a notification from the eWeLink app when the reading leaves the band
View Temperature Alerts details →A screen is listed, providing an on-device interface to investigate. Check which readings or controls are available on the device without opening an app.
View Screen 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. Supported by Zigbee2MQTT, and by ZHA with the script SONOFF publishes in its help center
View Home Assistant details →
What to consider
Touchscreen input is listed as unavailable; check the other control methods. A single physical button on the back handles wake-up, the temperature unit and pairing
View Touch Screen details →
Still needs verification
Confirm these details if they matter to your setup.
Questions About Sonoff SNZB-02DR2 AirGuard TH
Does Sonoff SNZB-02DR2 AirGuard TH provide temperature alerts?
Yes, according to the listed specifications. Check configurable thresholds, notification routes and any hub requirement. Comfort range thresholds push a notification from the eWeLink app when the reading leaves the band
View Temperature Alerts specifications →What is the humidity-sensing capability of Sonoff SNZB-02DR2 AirGuard TH?
The sensor measures relative humidity. Check the stated range and accuracy, then verify access to the reading in your platform.
Source: Sonoff SNZB-02DR2 AirGuard TH manufacturer product page · Checked 2026-10-04
View Humidity specifications →Does Sonoff SNZB-02DR2 AirGuard TH include a screen?
Yes, 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-02DR2 AirGuard TH 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. Not a Matter device itself: SONOFF bridges it into Matter through the ZBBridge-U and eWeLink CUBE
View Matter specifications →Does Sonoff SNZB-02DR2 AirGuard TH 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. Supported by Zigbee2MQTT, and by ZHA with the script SONOFF publishes in its help center
View Home Assistant specifications →Explore the full picture
Sonoff SNZB-02DR2 AirGuard TH 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 →
Alerts4 fields
| Temperature Alerts | YesDetails & conditionsComfort range thresholds push a notification from the eWeLink app when the reading leaves the band |
|---|---|
| Humidity Alerts | Yes |
| Air Quality Alerts | No |
| Low Battery Alerts | YesDetails & conditionsSONOFF lists a low battery warning on eWeLink, Home Assistant and Alexa |
Sensors5 fields
| Temperature | 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. Details & conditionsSensirion sensor, accuracy 0.2 C over the -20 to 60 C range, resolution 0.1 C |
|---|---|
| Humidity | 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. Details & conditionsAccuracy 2% RH over 0 to 100% RH, resolution 1% RH on the screen and 0.1% in the app |
| Atmospheric Pressure | No |
| Air Quality | No |
| Occupancy | No |
Display9 fields
| Screen | Yes |
|---|---|
| Screen Type | 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. |
| Color Screen | No |
| Touch Screen | NoDetails & conditionsA single physical button on the back handles wake-up, the temperature unit and pairing |
| Screen Size | 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. |
| Screen Resolution | Not recorded |
| Weather Forecast | No |
| Time | NoDetails & conditionsThe 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 |
| Date | No |
Connectivity7 fields
| 2.4 GHz Wi-Fi | No |
|---|---|
| 5 GHz Wi-Fi | No |
| Bluetooth | YesDetails & conditionsProximity 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 |
| Z Wave | No |
| Zigbee | Zigbee Hub requiredDetails & conditionsZigbee 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 |
| Thread | No |
| Other | No |
Features2 fields
| Automations | YesDetails & conditionsSmart 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 |
|---|---|
| History Records | YesDetails & conditionsSix 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 |
Integrations6 fields
| Google Home | YesDetails & conditionsSONOFF lists Google Home voice queries for both temperature and humidity |
|---|---|
| Alexa | YesDetails & conditionsSONOFF 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 |
| Apple Home | SONOFF Hub requiredDetails & conditionsThe device is Zigbee, not HomeKit. SONOFF republishes it into the Apple Home app through its own Matter bridges (ZBBridge-U, eWeLink CUBE) |
| SmartThings | YesDetails & conditionsSONOFF lists the Aeotec SmartThings Hub V3 as a compatible Zigbee gateway, with temperature and humidity voice queries on SmartThings |
| Home Assistant | YesDetails & conditionsSupported by Zigbee2MQTT, and by ZHA with the script SONOFF publishes in its help center |
| Matter | SONOFF Hub requiredDetails & conditionsNot a Matter device itself: SONOFF bridges it into Matter through the ZBBridge-U and eWeLink CUBE |
Power2 fields
| Battery Type | 2x AAA |
|---|---|
| Battery Life | Not recorded |
How this device compares
Sonoff SNZB-02DR2 AirGuard TH 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
Screen: 14 of 36 known answers are Yes
Display: 39% 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.
Side-by-side specification comparison
Compare Sonoff SNZB-02DR2 AirGuard TH vs Similar Temperature & Humidity Sensors
See how Sonoff SNZB-02DR2 AirGuard TH 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.