Option 1 · Sonoff
Sonoff SNZB-02B AirGuard TH Lite
Catalog update date not recorded
View full device profileThe Smart Device Compare comparison
Sonoff SNZB-02B AirGuard TH Lite vs YoLink Smart Wireless Thermometer Hygrometer
Understand the differences. Decide what matters to your home.
Build another comparison →Before you compare every specification
Key differences between Sonoff SNZB-02B AirGuard TH Lite and YoLink Smart Wireless Thermometer Hygrometer
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
- Other (connectivity): Sonoff SNZB-02B AirGuard TH Lite — No; YoLink Smart Wireless Thermometer Hygrometer — Yes (LoRa, up to 1/4 mile range (YoLink hub required)).
Specifications to check side by side
- Zigbee (connectivity): Sonoff SNZB-02B AirGuard TH Lite — Zigbee Hub required (Zigbee 3.0 (IEEE 802.15.4) end device. SONOFF lists the ZBBridge-P, ZBBridge-U, NSPanel Pro and iHost as its own gateways, plus the Aeotec SmartThings Hub V3 and the Zigbee Echo models.); YoLink Smart Wireless Thermometer Hygrometer — No.
- Apple Home (integrations): Sonoff SNZB-02B AirGuard TH Lite — SONOFF Hub required (The sensor is Zigbee, not HomeKit. SONOFF reaches the Apple Home app by republishing it over Matter from its own bridges (ZBBridge-U, eWeLink CUBE).); YoLink Smart Wireless Thermometer Hygrometer — YoLink Local Hub required (The YoLink Local Hub bridges YoLink devices to Matter, which is how they reach the Apple Home app. The older cloud-only YoLink hubs have no Apple Home path.).
- Matter (integrations): Sonoff SNZB-02B AirGuard TH Lite — SONOFF Hub required (Not a Matter device itself: SONOFF bridges it into Matter through the ZBBridge-U and eWeLink CUBE.); YoLink Smart Wireless Thermometer Hygrometer — YoLink Local Hub required.
- SmartThings (integrations): Sonoff SNZB-02B AirGuard TH Lite — Yes (SONOFF names the Aeotec SmartThings Hub V3 as a compatible Zigbee gateway, with temperature, humidity and battery level available on SmartThings.); YoLink Smart Wireless Thermometer Hygrometer — YoLink Local Hub required (Via Matter).
Information still to confirm
- 9 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.
Option 2 · YoLink
YoLink Smart Wireless Thermometer Hygrometer
Last updated October 2026
View full device profileWhat 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.
7differences with recorded values for every device
9rows with missing or unspecified information
Consider your setup
Apple Home
- Sonoff SNZB-02B AirGuard TH LiteSONOFF Hub required
- YoLink Smart Wireless Thermometer HygrometerYoLink Local Hub required
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-02B AirGuard TH LiteSONOFF Hub required
- YoLink Smart Wireless Thermometer HygrometerYoLink Local 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 specificationsConsider your setup
Battery Life
- Sonoff SNZB-02B AirGuard TH Lite2 years
- YoLink Smart Wireless Thermometer Hygrometer5 years
Compare the stated test conditions. Catalog battery figures alone do not predict runtime in your home.
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-02B AirGuard TH Lite
- No
- YoLink Smart Wireless Thermometer Hygrometer
- No
- Sonoff SNZB-02B AirGuard TH Lite
- Yes
- YoLink Smart Wireless Thermometer Hygrometer
- Yes
- Sonoff SNZB-02B AirGuard TH Lite
- Yes
Catalog note
SONOFF lists a low battery warning among the functions its compatible platforms expose for this model.
- YoLink Smart Wireless Thermometer Hygrometer
- Yes
Catalog note
Real-time low battery alerts in the YoLink app
- Sonoff SNZB-02B AirGuard TH Lite
- Yes
Catalog note
A custom comfort range pushes a phone notification when the reading leaves the band.
- YoLink Smart Wireless Thermometer Hygrometer
- Yes
Catalog note
App, email and text/SMS alerts
Connectivity
- Sonoff SNZB-02B AirGuard TH Lite
- No
- YoLink Smart Wireless Thermometer Hygrometer
- No
- Sonoff SNZB-02B AirGuard TH Lite
- No
- YoLink Smart Wireless Thermometer Hygrometer
- No
- Sonoff SNZB-02B AirGuard TH Lite
- No
- YoLink Smart Wireless Thermometer Hygrometer
- No
- Sonoff SNZB-02B AirGuard TH Lite
- No
- YoLink Smart Wireless Thermometer Hygrometer
- Yes
Catalog note
LoRa, up to 1/4 mile range (YoLink hub required)
- Sonoff SNZB-02B AirGuard TH Lite
- No
- YoLink Smart Wireless Thermometer Hygrometer
- No
- Sonoff SNZB-02B AirGuard TH Lite
- No
- YoLink Smart Wireless Thermometer Hygrometer
- No
- Sonoff SNZB-02B AirGuard TH Lite
- Zigbee Hub required
Catalog note
Zigbee 3.0 (IEEE 802.15.4) end device. SONOFF lists the ZBBridge-P, ZBBridge-U, NSPanel Pro and iHost as its own gateways, plus the Aeotec SmartThings Hub V3 and the Zigbee Echo models.
- YoLink Smart Wireless Thermometer Hygrometer
- No
Display
- Sonoff SNZB-02B AirGuard TH Lite
- Not applicable / unspecified
- YoLink Smart Wireless Thermometer Hygrometer
- Not applicable / unspecified
- Sonoff SNZB-02B AirGuard TH Lite
- Not applicable / unspecified
- YoLink Smart Wireless Thermometer Hygrometer
- Not applicable / unspecified
- Sonoff SNZB-02B AirGuard TH Lite
- No
Catalog note
The sensor has no display of its own: readings, dew point and VPD are shown in the eWeLink app.
- YoLink Smart Wireless Thermometer Hygrometer
- No
- Sonoff SNZB-02B AirGuard TH Lite
- Not applicable / unspecified
- YoLink Smart Wireless Thermometer Hygrometer
- Not applicable / unspecified
- Sonoff SNZB-02B AirGuard TH Lite
- Not applicable / unspecified
- YoLink Smart Wireless Thermometer Hygrometer
- Not applicable / unspecified
- Sonoff SNZB-02B AirGuard TH Lite
- Not applicable / unspecified
- YoLink Smart Wireless Thermometer Hygrometer
- Not applicable / unspecified
- Sonoff SNZB-02B AirGuard TH Lite
- Not applicable / unspecified
- YoLink Smart Wireless Thermometer Hygrometer
- Not applicable / unspecified
- Sonoff SNZB-02B AirGuard TH Lite
- Not applicable / unspecified
- YoLink Smart Wireless Thermometer Hygrometer
- Not applicable / unspecified
- Sonoff SNZB-02B AirGuard TH Lite
- Not applicable / unspecified
- YoLink Smart Wireless Thermometer Hygrometer
- Not applicable / unspecified
Features
- Sonoff SNZB-02B AirGuard TH Lite
- Yes
Catalog note
Smart scenes trigger above or below a temperature or humidity threshold, or when the device goes offline, with a delay that avoids false alarms. The sensor is a trigger only, never an action.
- YoLink Smart Wireless Thermometer Hygrometer
- Yes
- Sonoff SNZB-02B AirGuard TH Lite
- Yes
Catalog note
Six months of free cloud history for temperature, humidity, dew point and VPD, with trend curves and data export.
- YoLink Smart Wireless Thermometer Hygrometer
- Yes
Integrations
- Sonoff SNZB-02B AirGuard TH Lite
- Yes
Catalog note
SONOFF lists the Zigbee Echo models (Echo Plus 2nd, Echo 4th Gen, Echo Show 2nd Gen) as compatible hubs, with temperature and humidity display and threshold alerts.
- YoLink Smart Wireless Thermometer Hygrometer
- Yes
- Sonoff SNZB-02B AirGuard TH Lite
- SONOFF Hub required
Catalog note
The sensor is Zigbee, not HomeKit. SONOFF reaches the Apple Home app by republishing it over Matter from its own bridges (ZBBridge-U, eWeLink CUBE).
- YoLink Smart Wireless Thermometer Hygrometer
- YoLink Local Hub required
Catalog note
The YoLink Local Hub bridges YoLink devices to Matter, which is how they reach the Apple Home app. The older cloud-only YoLink hubs have no Apple Home path.
- Sonoff SNZB-02B AirGuard TH Lite
- Yes
Catalog note
SONOFF states the sensor answers Alexa and Google voice queries for temperature and humidity, through the eWeLink cloud-to-cloud link rather than a direct gateway connection.
- YoLink Smart Wireless Thermometer Hygrometer
- Not recorded
- Sonoff SNZB-02B AirGuard TH Lite
- Yes
Catalog note
Zigbee2MQTT documents the model and exposes temperature, humidity, dew point, VPD and battery. ZHA also works, with the script SONOFF publishes in its help center.
- YoLink Smart Wireless Thermometer Hygrometer
- Yes
- Sonoff SNZB-02B AirGuard TH Lite
- SONOFF Hub required
Catalog note
Not a Matter device itself: SONOFF bridges it into Matter through the ZBBridge-U and eWeLink CUBE.
- YoLink Smart Wireless Thermometer Hygrometer
- YoLink Local Hub required
- Sonoff SNZB-02B AirGuard TH Lite
- Yes
Catalog note
SONOFF names the Aeotec SmartThings Hub V3 as a compatible Zigbee gateway, with temperature, humidity and battery level available on SmartThings.
- YoLink Smart Wireless Thermometer Hygrometer
- YoLink Local Hub required
Catalog note
Via Matter
Power
- Sonoff SNZB-02B AirGuard TH Lite
- 2 years
- YoLink Smart Wireless Thermometer Hygrometer
- 5 years
- Sonoff SNZB-02B AirGuard TH Lite
- 2x AAA
Manufacturer source
The sensor uses two AAA batteries.
Sonoff SNZB-02B AirGuard TH Lite — manufacturer product description →- Source section
- Product description / feature descriptions
- Model
- SNZB-02B
- Region
- Manufacturer listing for the named model/variant; regional equivalence has not been established
- Firmware
- Not specified by this source
- Checked
Check the specified variant, required hub and installation instructions. Manufacturer claims are not independent performance tests.
Document check only; not a hands-on test or verification of every regional or firmware variant.
- YoLink Smart Wireless Thermometer Hygrometer
- 2x AA
Sensors
- Sonoff SNZB-02B AirGuard TH Lite
- No
- YoLink Smart Wireless Thermometer Hygrometer
- No
- Sonoff SNZB-02B AirGuard TH Lite
- No
- YoLink Smart Wireless Thermometer Hygrometer
- No
- Sonoff SNZB-02B AirGuard TH Lite
- Yes
Manufacturer source
Humidity sensing is provided.
Sonoff SNZB-02B AirGuard TH Lite — manufacturer product description →- Source section
- Product description / feature descriptions
- Model
- SNZB-02B
- Region
- Manufacturer listing for the named model/variant; regional equivalence has not been established
- Firmware
- Not specified by this source
- Checked
Check the specified variant, required hub and installation instructions. Manufacturer claims are not independent performance tests.
Document check only; not a hands-on test or verification of every regional or firmware variant.
Catalog note
Accuracy of ±2% RH, with dew point and VPD calculated from the temperature and humidity readings.
- YoLink Smart Wireless Thermometer Hygrometer
- Yes
- Sonoff SNZB-02B AirGuard TH Lite
- No
- YoLink Smart Wireless Thermometer Hygrometer
- No
- Sonoff SNZB-02B AirGuard TH Lite
- Yes
Manufacturer source
Temperature sensing is provided.
Sonoff SNZB-02B AirGuard TH Lite — manufacturer product description →- Source section
- Product description / feature descriptions
- Model
- SNZB-02B
- Region
- Manufacturer listing for the named model/variant; regional equivalence has not been established
- Firmware
- Not specified by this source
- Checked
Check the specified variant, required hub and installation instructions. Manufacturer claims are not independent performance tests.
Document check only; not a hands-on test or verification of every regional or firmware variant.
Catalog note
Swiss Sensirion sensor, accuracy of ±0.2°C (±0.4°F), refreshed every 5 seconds.
- YoLink Smart Wireless Thermometer Hygrometer
- Yes
Catalog note
Wide temperature range
| Specification | Sonoff SNZB-02B AirGuard TH Lite | YoLink Smart Wireless Thermometer Hygrometer |
|---|---|---|
| Alerts | ||
| No | No | |
| Yes | Yes | |
YesCatalog noteSONOFF lists a low battery warning among the functions its compatible platforms expose for this model. | YesCatalog noteReal-time low battery alerts in the YoLink app | |
YesCatalog noteA custom comfort range pushes a phone notification when the reading leaves the band. | YesCatalog noteApp, email and text/SMS alerts | |
| Connectivity | ||
| No | No | |
| No | No | |
| No | No | |
| No | YesCatalog noteLoRa, up to 1/4 mile range (YoLink hub required) | |
| No | No | |
| No | No | |
Zigbee Hub requiredCatalog noteZigbee 3.0 (IEEE 802.15.4) end device. SONOFF lists the ZBBridge-P, ZBBridge-U, NSPanel Pro and iHost as its own gateways, plus the Aeotec SmartThings Hub V3 and the Zigbee Echo models. | No | |
| Display | ||
| Not applicable / unspecified | Not applicable / unspecified | |
| Not applicable / unspecified | Not applicable / unspecified | |
NoCatalog noteThe sensor has no display of its own: readings, dew point and VPD are shown in the eWeLink app. | No | |
| Not applicable / unspecified | Not applicable / unspecified | |
| Not applicable / unspecified | Not applicable / unspecified | |
| Not applicable / unspecified | Not applicable / unspecified | |
| Not applicable / unspecified | Not applicable / unspecified | |
| Not applicable / unspecified | Not applicable / unspecified | |
| Not applicable / unspecified | Not applicable / unspecified | |
| Features | ||
YesCatalog noteSmart scenes trigger above or below a temperature or humidity threshold, or when the device goes offline, with a delay that avoids false alarms. The sensor is a trigger only, never an action. | Yes | |
YesCatalog noteSix months of free cloud history for temperature, humidity, dew point and VPD, with trend curves and data export. | Yes | |
| Integrations | ||
YesCatalog noteSONOFF lists the Zigbee Echo models (Echo Plus 2nd, Echo 4th Gen, Echo Show 2nd Gen) as compatible hubs, with temperature and humidity display and threshold alerts. | Yes | |
SONOFF Hub requiredCatalog noteThe sensor is Zigbee, not HomeKit. SONOFF reaches the Apple Home app by republishing it over Matter from its own bridges (ZBBridge-U, eWeLink CUBE). | YoLink Local Hub requiredCatalog noteThe YoLink Local Hub bridges YoLink devices to Matter, which is how they reach the Apple Home app. The older cloud-only YoLink hubs have no Apple Home path. | |
YesCatalog noteSONOFF states the sensor answers Alexa and Google voice queries for temperature and humidity, through the eWeLink cloud-to-cloud link rather than a direct gateway connection. | Not recorded | |
YesCatalog noteZigbee2MQTT documents the model and exposes temperature, humidity, dew point, VPD and battery. ZHA also works, 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. | YoLink Local Hub required | |
YesCatalog noteSONOFF names the Aeotec SmartThings Hub V3 as a compatible Zigbee gateway, with temperature, humidity and battery level available on SmartThings. | YoLink Local Hub requiredCatalog noteVia Matter | |
| Power | ||
| 2 years | 5 years | |
2x AAAManufacturer sourceThe sensor uses two AAA batteries. Sonoff SNZB-02B AirGuard TH Lite — manufacturer product description →
Check the specified variant, required hub and installation instructions. Manufacturer claims are not independent performance tests. Document check only; not a hands-on test or verification of every regional or firmware variant. | 2x AA | |
| Sensors | ||
| No | No | |
| No | No | |
YesManufacturer sourceHumidity sensing is provided. Sonoff SNZB-02B AirGuard TH Lite — manufacturer product description →
Check the specified variant, required hub and installation instructions. Manufacturer claims are not independent performance tests. Document check only; not a hands-on test or verification of every regional or firmware variant. Catalog noteAccuracy of ±2% RH, with dew point and VPD calculated from the temperature and humidity readings. | Yes | |
| No | No | |
YesManufacturer sourceTemperature sensing is provided. Sonoff SNZB-02B AirGuard TH Lite — manufacturer product description →
Check the specified variant, required hub and installation instructions. Manufacturer claims are not independent performance tests. Document check only; not a hands-on test or verification of every regional or firmware variant. Catalog noteSwiss Sensirion sensor, accuracy of ±0.2°C (±0.4°F), refreshed every 5 seconds. | YesCatalog noteWide temperature range | |
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