The Smart Device Compare comparison

Aqara Temperature and Humidity Sensor vs Sonoff SNZB-02UL AirGuard E-Ink TH

Understand the differences. Decide what matters to your home.

Build another comparison →

Before you compare every specification

Key differences between Aqara Temperature and Humidity Sensor and Sonoff SNZB-02UL AirGuard E-Ink TH

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
  • Screen (display): Aqara Temperature and Humidity Sensor — No; Sonoff SNZB-02UL AirGuard E-Ink TH — Yes (2.9 inch flexible dot-matrix E-Ink panel with a nearly 180 degree viewing angle, readable in bright light. Without a gateway it shows temperature and humidity plus the past 6 hours on a button press.).
  • Atmospheric Pressure (sensors): Aqara Temperature and Humidity Sensor — Yes; Sonoff SNZB-02UL AirGuard E-Ink TH — No.
Specifications to check side by side
  • Alexa (integrations): Aqara Temperature and Humidity Sensor — Aqara Hub required; Sonoff SNZB-02UL AirGuard E-Ink TH — Yes (SONOFF lists Alexa temperature and humidity queries, and an Echo with a built-in Zigbee hub (Echo Plus 2nd, Echo 4th, Echo Show 2nd) as a compatible gateway.).
  • Apple Home (integrations): Aqara Temperature and Humidity Sensor — Aqara Hub required; Sonoff SNZB-02UL AirGuard E-Ink TH — SONOFF Hub required (The device is Zigbee, not HomeKit. SONOFF republishes it into the Apple Home app through its own Matter bridges (Bridge-M, ZBBridge-U, iHost, eWeLink CUBE).).
  • Google Home (integrations): Aqara Temperature and Humidity Sensor — Aqara Hub required; Sonoff SNZB-02UL AirGuard E-Ink TH — Yes (SONOFF lists a Google Home temperature and humidity voice query, reached through the eWeLink cloud-to-cloud link.).
  • Matter (integrations): Aqara Temperature and Humidity Sensor — Aqara Hub required; Sonoff SNZB-02UL AirGuard E-Ink TH — SONOFF Hub required (Not a Matter device itself: SONOFF bridges it into Matter through the Bridge-M, ZBBridge-U, iHost or eWeLink CUBE.).
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.

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.

9differences with recorded values for every device
9rows with missing or unspecified information

Consider your setup

Apple Home

  • Aqara Temperature and Humidity SensorAqara Hub required
  • Sonoff SNZB-02UL AirGuard E-Ink THSONOFF Hub required

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

  • Aqara Temperature and Humidity SensorAqara Hub required
  • Sonoff SNZB-02UL AirGuard E-Ink THSONOFF 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

Consider your setup

Battery Life

  • Aqara Temperature and Humidity Sensor2 years
  • Sonoff SNZB-02UL AirGuard E-Ink TH8+ months

Compare the stated test conditions. Catalog battery figures alone do not predict runtime in your home.

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

Aqara Temperature and Humidity Sensor
No
Sonoff SNZB-02UL AirGuard E-Ink TH
No
Aqara Temperature and Humidity Sensor
Yes
Sonoff SNZB-02UL AirGuard E-Ink TH
Yes
Aqara Temperature and Humidity Sensor
Not recorded
Sonoff SNZB-02UL AirGuard E-Ink TH
Not recorded
Aqara Temperature and Humidity Sensor
Yes
Sonoff SNZB-02UL AirGuard E-Ink TH
Yes
Catalog note

A custom comfort range, one of six presets or edited by hand, pushes a phone notification when the reading leaves the band.

Connectivity

Aqara Temperature and Humidity Sensor
No
Sonoff SNZB-02UL AirGuard E-Ink TH
No
Aqara Temperature and Humidity Sensor
No
Sonoff SNZB-02UL AirGuard E-Ink TH
No
Aqara Temperature and Humidity Sensor
No
Sonoff SNZB-02UL AirGuard E-Ink TH
No
Aqara Temperature and Humidity Sensor
No
Sonoff SNZB-02UL AirGuard E-Ink TH
No
Aqara Temperature and Humidity Sensor
No
Sonoff SNZB-02UL AirGuard E-Ink TH
No
Aqara Temperature and Humidity Sensor
No
Sonoff SNZB-02UL AirGuard E-Ink TH
No
Aqara Temperature and Humidity Sensor
Zigbee Hub required
Sonoff SNZB-02UL AirGuard E-Ink TH
Zigbee Hub required
Catalog note

Zigbee 3.0 (IEEE 802.15.4) end device. SONOFF lists the ZBBridge-P, ZBBridge-U, Bridge-M, NSPanel Pro and iHost as its own gateways, plus the Aeotec SmartThings Hub V3 and the Zigbee Echo models. Time, date and weather on the screen need a gateway or Home Assistant.

Display

Aqara Temperature and Humidity Sensor
Not applicable / unspecified
Sonoff SNZB-02UL AirGuard E-Ink TH
No
Aqara Temperature and Humidity Sensor
Not applicable / unspecified
Sonoff SNZB-02UL AirGuard E-Ink TH
Yes
Catalog note

The screen displays the date once the device is connected to a gateway or Home Assistant.

Aqara Temperature and Humidity Sensor
No
Sonoff SNZB-02UL AirGuard E-Ink TH
Yes
Catalog note

2.9 inch flexible dot-matrix E-Ink panel with a nearly 180 degree viewing angle, readable in bright light. Without a gateway it shows temperature and humidity plus the past 6 hours on a button press.

Aqara Temperature and Humidity Sensor
Not applicable / unspecified
Sonoff SNZB-02UL AirGuard E-Ink TH
Not recorded
Aqara Temperature and Humidity Sensor
Not applicable / unspecified
Sonoff SNZB-02UL AirGuard E-Ink TH
2.9"
Manufacturer source

The screen measures 2.9 inches.

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

Aqara Temperature and Humidity Sensor
Not applicable / unspecified
Sonoff SNZB-02UL AirGuard E-Ink TH
E-Ink
Manufacturer source

The screen uses E-Ink.

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

Aqara Temperature and Humidity Sensor
Not applicable / unspecified
Sonoff SNZB-02UL AirGuard E-Ink TH
Yes
Catalog note

The screen displays the current time once the device is connected to a gateway or Home Assistant.

Aqara Temperature and Humidity Sensor
Not applicable / unspecified
Sonoff SNZB-02UL AirGuard E-Ink TH
No
Catalog note

A single button on the back handles the 6-hour history recall, the temperature unit switch and pairing.

Aqara Temperature and Humidity Sensor
Not applicable / unspecified
Sonoff SNZB-02UL AirGuard E-Ink TH
Yes
Catalog note

Once paired to a SONOFF Zigbee gateway or Home Assistant, the screen shows a weather icon and weather information alongside the reading.

Features

Aqara Temperature and Humidity Sensor
Yes
Sonoff SNZB-02UL AirGuard E-Ink 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.

Aqara Temperature and Humidity Sensor
Yes
Sonoff SNZB-02UL AirGuard E-Ink TH
Yes
Catalog note

Six hours of temperature and humidity history on the screen without a gateway, and up to six months of temperature, humidity, dew point and VPD curves in the app or Home Assistant, with CSV export.

Integrations

Aqara Temperature and Humidity Sensor
Aqara Hub required
Sonoff SNZB-02UL AirGuard E-Ink TH
Yes
Catalog note

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

Aqara Temperature and Humidity Sensor
Aqara Hub required
Sonoff SNZB-02UL AirGuard E-Ink 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 (Bridge-M, ZBBridge-U, iHost, eWeLink CUBE).

Aqara Temperature and Humidity Sensor
Aqara Hub required
Sonoff SNZB-02UL AirGuard E-Ink TH
Yes
Catalog note

SONOFF lists a Google Home temperature and humidity voice query, reached through the eWeLink cloud-to-cloud link.

Aqara Temperature and Humidity Sensor
Yes
Sonoff SNZB-02UL AirGuard E-Ink TH
Yes
Catalog note

Zigbee2MQTT works out of the box, while ZHA needs the script SONOFF publishes in its help center for the advanced functions such as the remote sensor display and the weather data.

Aqara Temperature and Humidity Sensor
Aqara Hub required
Sonoff SNZB-02UL AirGuard E-Ink TH
SONOFF Hub required
Catalog note

Not a Matter device itself: SONOFF bridges it into Matter through the Bridge-M, ZBBridge-U, iHost or eWeLink CUBE.

Aqara Temperature and Humidity Sensor
Aqara Hub required
Catalog note

Via Matter

Sonoff SNZB-02UL AirGuard E-Ink TH
Yes
Catalog note

SONOFF lists the Aeotec SmartThings Hub V3 as a compatible Zigbee gateway, with a SmartThings temperature and humidity query.

Power

Aqara Temperature and Humidity Sensor
2 years
Sonoff SNZB-02UL AirGuard E-Ink TH
8+ months
Aqara Temperature and Humidity Sensor
CR2032
Sonoff SNZB-02UL AirGuard E-Ink TH
2x AAA

Sensors

Aqara Temperature and Humidity Sensor
No
Sonoff SNZB-02UL AirGuard E-Ink TH
No
Aqara Temperature and Humidity Sensor
Yes
Manufacturer source

An air-pressure sensor is included.

Aqara Temperature and Humidity Sensor manufacturer product page →
Source section
Product description
Model
Aqara Temperature and Humidity Sensor
Region
Manufacturer product page; no universal regional compatibility implied
Firmware
Not specified by this source
Checked

The storefront description contains conflicting radio and battery details, so those fields are not verified by this citation.

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

Sonoff SNZB-02UL AirGuard E-Ink TH
No
Aqara Temperature and Humidity Sensor
Yes
Manufacturer source

The sensor measures relative humidity.

Aqara Temperature and Humidity Sensor manufacturer product page →
Source section
Product description
Model
Aqara Temperature and Humidity Sensor
Region
Manufacturer product page; no universal regional compatibility implied
Firmware
Not specified by this source
Checked

The storefront description contains conflicting radio and battery details, so those fields are not verified by this citation.

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

Sonoff SNZB-02UL AirGuard E-Ink TH
Yes
Manufacturer source

The sensor measures relative humidity.

Sonoff SNZB-02UL AirGuard E-Ink TH manufacturer product page →
Source section
Product description
Model
Sonoff SNZB-02UL AirGuard E-Ink 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 of plus or minus 2% RH, refreshed every 5 seconds, with dew point and VPD calculated from the temperature and humidity readings.

Aqara Temperature and Humidity Sensor
No
Sonoff SNZB-02UL AirGuard E-Ink TH
No
Aqara Temperature and Humidity Sensor
Yes
Manufacturer source

The sensor measures temperature.

Aqara Temperature and Humidity Sensor manufacturer product page →
Source section
Product description
Model
Aqara Temperature and Humidity Sensor
Region
Manufacturer product page; no universal regional compatibility implied
Firmware
Not specified by this source
Checked

The storefront description contains conflicting radio and battery details, so those fields are not verified by this citation.

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

Sonoff SNZB-02UL AirGuard E-Ink TH
Yes
Manufacturer source

The sensor measures air temperature.

Sonoff SNZB-02UL AirGuard E-Ink TH manufacturer product page →
Source section
Product description
Model
Sonoff SNZB-02UL AirGuard E-Ink 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

Swiss Sensirion sensor, accuracy of plus or minus 0.2 C (plus or minus 0.4 F), refreshed every 5 seconds. Screen and app resolve to 0.1 C.

Specifications for Aqara Temperature and Humidity Sensor versus Sonoff SNZB-02UL AirGuard E-Ink TH
SpecificationAqara Temperature and Humidity SensorSonoff SNZB-02UL AirGuard E-Ink TH
Alerts
NoNo
YesYes
Not recordedNot recorded
YesYes
Catalog note

A custom comfort range, one of six presets or edited by hand, pushes a phone notification when the reading leaves the band.

Connectivity
NoNo
NoNo
NoNo
NoNo
NoNo
NoNo
Zigbee Hub requiredZigbee Hub required
Catalog note

Zigbee 3.0 (IEEE 802.15.4) end device. SONOFF lists the ZBBridge-P, ZBBridge-U, Bridge-M, NSPanel Pro and iHost as its own gateways, plus the Aeotec SmartThings Hub V3 and the Zigbee Echo models. Time, date and weather on the screen need a gateway or Home Assistant.

Display
Not applicable / unspecifiedNo
Not applicable / unspecifiedYes
Catalog note

The screen displays the date once the device is connected to a gateway or Home Assistant.

NoYes
Catalog note

2.9 inch flexible dot-matrix E-Ink panel with a nearly 180 degree viewing angle, readable in bright light. Without a gateway it shows temperature and humidity plus the past 6 hours on a button press.

Not applicable / unspecifiedNot recorded
Not applicable / unspecified2.9"
Manufacturer source

The screen measures 2.9 inches.

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

Not applicable / unspecifiedE-Ink
Manufacturer source

The screen uses E-Ink.

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

Not applicable / unspecifiedYes
Catalog note

The screen displays the current time once the device is connected to a gateway or Home Assistant.

Not applicable / unspecifiedNo
Catalog note

A single button on the back handles the 6-hour history recall, the temperature unit switch and pairing.

Not applicable / unspecifiedYes
Catalog note

Once paired to a SONOFF Zigbee gateway or Home Assistant, the screen shows a weather icon and weather information alongside the reading.

Features
YesYes
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.

YesYes
Catalog note

Six hours of temperature and humidity history on the screen without a gateway, and up to six months of temperature, humidity, dew point and VPD curves in the app or Home Assistant, with CSV export.

Integrations
Aqara Hub requiredYes
Catalog note

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

Aqara Hub requiredSONOFF Hub required
Catalog note

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

Aqara Hub requiredYes
Catalog note

SONOFF lists a Google Home temperature and humidity voice query, reached through the eWeLink cloud-to-cloud link.

YesYes
Catalog note

Zigbee2MQTT works out of the box, while ZHA needs the script SONOFF publishes in its help center for the advanced functions such as the remote sensor display and the weather data.

Aqara Hub requiredSONOFF Hub required
Catalog note

Not a Matter device itself: SONOFF bridges it into Matter through the Bridge-M, ZBBridge-U, iHost or eWeLink CUBE.

Aqara Hub required
Catalog note

Via Matter

Yes
Catalog note

SONOFF lists the Aeotec SmartThings Hub V3 as a compatible Zigbee gateway, with a SmartThings temperature and humidity query.

Power
2 years8+ months
CR20322x AAA
Sensors
NoNo
Yes
Manufacturer source

An air-pressure sensor is included.

Aqara Temperature and Humidity Sensor manufacturer product page →
Source section
Product description
Model
Aqara Temperature and Humidity Sensor
Region
Manufacturer product page; no universal regional compatibility implied
Firmware
Not specified by this source
Checked

The storefront description contains conflicting radio and battery details, so those fields are not verified by this citation.

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

No
Yes
Manufacturer source

The sensor measures relative humidity.

Aqara Temperature and Humidity Sensor manufacturer product page →
Source section
Product description
Model
Aqara Temperature and Humidity Sensor
Region
Manufacturer product page; no universal regional compatibility implied
Firmware
Not specified by this source
Checked

The storefront description contains conflicting radio and battery details, so those fields are not verified by this citation.

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

Yes
Manufacturer source

The sensor measures relative humidity.

Sonoff SNZB-02UL AirGuard E-Ink TH manufacturer product page →
Source section
Product description
Model
Sonoff SNZB-02UL AirGuard E-Ink 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 of plus or minus 2% RH, refreshed every 5 seconds, with dew point and VPD calculated from the temperature and humidity readings.

NoNo
Yes
Manufacturer source

The sensor measures temperature.

Aqara Temperature and Humidity Sensor manufacturer product page →
Source section
Product description
Model
Aqara Temperature and Humidity Sensor
Region
Manufacturer product page; no universal regional compatibility implied
Firmware
Not specified by this source
Checked

The storefront description contains conflicting radio and battery details, so those fields are not verified by this citation.

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

Yes
Manufacturer source

The sensor measures air temperature.

Sonoff SNZB-02UL AirGuard E-Ink TH manufacturer product page →
Source section
Product description
Model
Sonoff SNZB-02UL AirGuard E-Ink 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

Swiss Sensirion sensor, accuracy of plus or minus 0.2 C (plus or minus 0.4 F), refreshed every 5 seconds. Screen and app resolve to 0.1 C.

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