The Smart Device Compare comparison

Aqara Climate Sensor W100 vs Sonoff SNZB-02UL AirGuard E-Ink TH

Understand the differences. Decide what matters to your home.

Before you compare every specification

Key differences between Aqara Climate Sensor W100 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

Bluetooth (connectivity): Aqara Climate Sensor W100 — Yes; Sonoff SNZB-02UL AirGuard E-Ink TH — No.
Date (display): Aqara Climate Sensor W100 — No; Sonoff SNZB-02UL AirGuard E-Ink TH — Yes (The screen displays the date once the device is connected to a gateway or Home Assistant.).
Time (display): Aqara Climate Sensor W100 — No; Sonoff SNZB-02UL AirGuard E-Ink TH — Yes (The screen displays the current time once the device is connected to a gateway or Home Assistant.).
Weather Forecast (display): Aqara Climate Sensor W100 — No; Sonoff SNZB-02UL AirGuard E-Ink TH — Yes (Once paired to a SONOFF Zigbee gateway or Home Assistant, the screen shows a weather icon and weather information alongside the reading.).

Specifications to check side by side

Thread (connectivity): Aqara Climate Sensor W100 — Thread Border Router required; Sonoff SNZB-02UL AirGuard E-Ink TH — No.
Screen Size (display): Aqara Climate Sensor W100 — 3.4"; Sonoff SNZB-02UL AirGuard E-Ink TH — 2.9".
Screen Type (display): Aqara Climate Sensor W100 — LCD; Sonoff SNZB-02UL AirGuard E-Ink TH — E-Ink.
Apple Home (integrations): Aqara Climate Sensor W100 — Yes; 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).).

Information still to confirm

3 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 1 · Aqara

Aqara Climate Sensor W100

Last updated October 2026

View full device profile

Option 2 · Sonoff

Sonoff SNZB-02UL AirGuard E-Ink TH

Last updated October 2026

View full device profile

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.

11differences with recorded values for every device

3rows with missing or unspecified information

Consider your setup

Apple Home

Aqara Climate Sensor W100Yes
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 Climate Sensor W100Yes
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 Climate Sensor W1002.4 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.

Differences onlyMy priorities (0)

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

Reading layout

Alerts

Air Quality Alerts

Aqara Climate Sensor W100: No
Sonoff SNZB-02UL AirGuard E-Ink TH: No

Humidity Alerts

Aqara Climate Sensor W100: Yes
Sonoff SNZB-02UL AirGuard E-Ink TH: Yes

Low Battery Alerts

Aqara Climate Sensor W100: Not recorded
Sonoff SNZB-02UL AirGuard E-Ink TH: Not recorded

Temperature Alerts

Aqara Climate Sensor W100: 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

2.4 GHz Wi-Fi

Aqara Climate Sensor W100: No
Sonoff SNZB-02UL AirGuard E-Ink TH: No

5 GHz Wi-Fi

Aqara Climate Sensor W100: No
Sonoff SNZB-02UL AirGuard E-Ink TH: No

Bluetooth

Aqara Climate Sensor W100: Yes
Sonoff SNZB-02UL AirGuard E-Ink TH: No

Other

Aqara Climate Sensor W100: No
Sonoff SNZB-02UL AirGuard E-Ink TH: No

Thread

Aqara Climate Sensor W100: Thread Border Router required
Sonoff SNZB-02UL AirGuard E-Ink TH: No

Z Wave

Aqara Climate Sensor W100: No
Sonoff SNZB-02UL AirGuard E-Ink TH: No

Zigbee

Aqara Climate Sensor W100: 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

Color Screen

Aqara Climate Sensor W100: No
Sonoff SNZB-02UL AirGuard E-Ink TH: No

Date

Aqara Climate Sensor W100: No
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.

Screen

Aqara Climate Sensor W100: Yes
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.

Screen Resolution

Aqara Climate Sensor W100: Not recorded
Sonoff SNZB-02UL AirGuard E-Ink TH: Not recorded

Screen Size

Aqara Climate Sensor W100

3.4"

Manufacturer source

The display measures 3.4 inches.

Aqara Climate Sensor W100 manufacturer product page →

Source section: Product description
Model: Aqara Climate Sensor W100
Region: Manufacturer product page; no universal regional compatibility implied
Firmware: Not specified by this source
Checked: 2026-10-04

Zigbee mode with an Aqara hub enables different features from Thread mode.

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

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: 2026-10-04

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

Screen Type

Aqara Climate Sensor W100

LCD

Manufacturer source

The display is an LCD.

Aqara Climate Sensor W100 manufacturer product page →

Source section: Product description
Model: Aqara Climate Sensor W100
Region: Manufacturer product page; no universal regional compatibility implied
Firmware: Not specified by this source
Checked: 2026-10-04

Zigbee mode with an Aqara hub enables different features from Thread mode.

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

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: 2026-10-04

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

Time

Aqara Climate Sensor W100: No
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.

Touch Screen

Aqara Climate Sensor W100: No
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.

Weather Forecast

Aqara Climate Sensor W100: No
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

Automations

Aqara Climate Sensor W100: 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.

History Records

Aqara Climate Sensor W100: Not recorded
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

Alexa

Aqara Climate Sensor W100: Yes
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.

Apple Home

Aqara Climate Sensor W100: Yes
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).

Google Home

Aqara Climate Sensor W100: Yes
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.

Home Assistant

Aqara Climate Sensor W100: 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.

Matter

Aqara Climate Sensor W100

Yes

Manufacturer source

Matter over Thread is supported.

Aqara Climate Sensor W100 manufacturer product page →

Source section: Product description
Model: Aqara Climate Sensor W100
Region: Manufacturer product page; no universal regional compatibility implied
Firmware: Not specified by this source
Checked: 2026-10-04

Zigbee mode with an Aqara hub enables different features from Thread mode.

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

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.

SmartThings

Aqara Climate Sensor W100: Yes
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

Battery Life

Aqara Climate Sensor W100: 2.4 years
Sonoff SNZB-02UL AirGuard E-Ink TH: 8+ months

Battery Type

Aqara Climate Sensor W100: 2x CR2450
Sonoff SNZB-02UL AirGuard E-Ink TH: 2x AAA

Sensors

Air Quality

Aqara Climate Sensor W100: No
Sonoff SNZB-02UL AirGuard E-Ink TH: No

Atmospheric Pressure

Aqara Climate Sensor W100: No
Sonoff SNZB-02UL AirGuard E-Ink TH: No

Humidity

Aqara Climate Sensor W100

Yes

Manufacturer source

The sensor measures relative humidity.

Aqara Climate Sensor W100 manufacturer product page →

Source section: Product description
Model: Aqara Climate Sensor W100
Region: Manufacturer product page; no universal regional compatibility implied
Firmware: Not specified by this source
Checked: 2026-10-04

Zigbee mode with an Aqara hub enables different features from Thread mode.

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: 2026-10-04

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.

Occupancy

Aqara Climate Sensor W100: No
Sonoff SNZB-02UL AirGuard E-Ink TH: No

Temperature

Aqara Climate Sensor W100

Yes

Manufacturer source

The sensor measures temperature.

Aqara Climate Sensor W100 manufacturer product page →

Source section: Product description
Model: Aqara Climate Sensor W100
Region: Manufacturer product page; no universal regional compatibility implied
Firmware: Not specified by this source
Checked: 2026-10-04

Zigbee mode with an Aqara hub enables different features from Thread mode.

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: 2026-10-04

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 Climate Sensor W100 versus Sonoff SNZB-02UL AirGuard E-Ink TH
Specification	Aqara Climate Sensor W100	Sonoff SNZB-02UL AirGuard E-Ink TH
Alerts
Air Quality Alerts	No	No
Humidity Alerts	Yes	Yes
Low Battery Alerts	Not recorded	Not recorded
Temperature Alerts	Yes	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
2.4 GHz Wi-Fi	No	No
5 GHz Wi-Fi	No	No
Bluetooth	Yes	No
Other	No	No
Thread	Thread Border Router required	No
Z Wave	No	No
Zigbee	Zigbee Hub required	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
Color Screen	No	No
Date	No	Yes Catalog note The screen displays the date once the device is connected to a gateway or Home Assistant.
Screen	Yes	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.
Screen Resolution	Not recorded	Not recorded
Screen Size	3.4" Manufacturer source The display measures 3.4 inches. Aqara Climate Sensor W100 manufacturer product page → Source section Product description Model Aqara Climate Sensor W100 Region Manufacturer product page; no universal regional compatibility implied Firmware Not specified by this source Checked 2026-10-04 Zigbee mode with an Aqara hub enables different features from Thread mode. Document check only; not a hands-on test or verification of every regional or firmware variant.	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 2026-10-04 Document check only; not a hands-on test or verification of every regional or firmware variant.
Screen Type	LCD Manufacturer source The display is an LCD. Aqara Climate Sensor W100 manufacturer product page → Source section Product description Model Aqara Climate Sensor W100 Region Manufacturer product page; no universal regional compatibility implied Firmware Not specified by this source Checked 2026-10-04 Zigbee mode with an Aqara hub enables different features from Thread mode. Document check only; not a hands-on test or verification of every regional or firmware variant.	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 2026-10-04 Document check only; not a hands-on test or verification of every regional or firmware variant.
Time	No	Yes Catalog note The screen displays the current time once the device is connected to a gateway or Home Assistant.
Touch Screen	No	No Catalog note A single button on the back handles the 6-hour history recall, the temperature unit switch and pairing.
Weather Forecast	No	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
Automations	Yes	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.
History Records	Not recorded	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
Alexa	Yes	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.
Apple Home	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 (Bridge-M, ZBBridge-U, iHost, eWeLink CUBE).
Google Home	Yes	Yes Catalog note SONOFF lists a Google Home temperature and humidity voice query, reached through the eWeLink cloud-to-cloud link.
Home Assistant	Yes	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.
Matter	Yes Manufacturer source Matter over Thread is supported. Aqara Climate Sensor W100 manufacturer product page → Source section Product description Model Aqara Climate Sensor W100 Region Manufacturer product page; no universal regional compatibility implied Firmware Not specified by this source Checked 2026-10-04 Zigbee mode with an Aqara hub enables different features from Thread mode. Document check only; not a hands-on test or verification of every regional or firmware variant.	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.
SmartThings	Yes	Yes Catalog note SONOFF lists the Aeotec SmartThings Hub V3 as a compatible Zigbee gateway, with a SmartThings temperature and humidity query.
Power
Battery Life	2.4 years	8+ months
Battery Type	2x CR2450	2x AAA
Sensors
Air Quality	No	No
Atmospheric Pressure	No	No
Humidity	Yes Manufacturer source The sensor measures relative humidity. Aqara Climate Sensor W100 manufacturer product page → Source section Product description Model Aqara Climate Sensor W100 Region Manufacturer product page; no universal regional compatibility implied Firmware Not specified by this source Checked 2026-10-04 Zigbee mode with an Aqara hub enables different features from Thread mode. 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 2026-10-04 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.
Occupancy	No	No
Temperature	Yes Manufacturer source The sensor measures temperature. Aqara Climate Sensor W100 manufacturer product page → Source section Product description Model Aqara Climate Sensor W100 Region Manufacturer product page; no universal regional compatibility implied Firmware Not specified by this source Checked 2026-10-04 Zigbee mode with an Aqara hub enables different features from Thread mode. 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 2026-10-04 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