The Smart Device Compare comparison

Sonoff SNZB-02UL AirGuard E-Ink TH vs X-Sense Smart WiFi Indoor Thermometer

Understand the differences. Decide what matters to your home.

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Before you compare every specification

Key differences between Sonoff SNZB-02UL AirGuard E-Ink TH and X-Sense Smart WiFi Indoor Thermometer

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-02UL AirGuard E-Ink TH — No; X-Sense Smart WiFi Indoor Thermometer — Yes (2.4 GHz Wi-Fi Connection via Base Station).
  • Screen (display): 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.); X-Sense Smart WiFi Indoor Thermometer — No.
  • Automations (features): Sonoff SNZB-02UL AirGuard E-Ink TH — Yes (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.); X-Sense Smart WiFi Indoor Thermometer — No.
  • Google Home (integrations): 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.); X-Sense Smart WiFi Indoor Thermometer — No.
Specifications to check side by side
  • Zigbee (connectivity): Sonoff SNZB-02UL AirGuard E-Ink TH — Zigbee Hub required (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.); X-Sense Smart WiFi Indoor Thermometer — No.
  • Apple Home (integrations): 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).); X-Sense Smart WiFi Indoor Thermometer — No.
  • Matter (integrations): 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.); X-Sense Smart WiFi Indoor Thermometer — No.
  • Battery Life (power): Sonoff SNZB-02UL AirGuard E-Ink TH — 8+ months; X-Sense Smart WiFi Indoor Thermometer — 1 year.
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

  • Sonoff SNZB-02UL AirGuard E-Ink THSONOFF Hub required
  • X-Sense Smart WiFi Indoor ThermometerNo

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

  • Sonoff SNZB-02UL AirGuard E-Ink THSONOFF Hub required
  • X-Sense Smart WiFi Indoor ThermometerNo

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

  • Sonoff SNZB-02UL AirGuard E-Ink TH8+ months
  • X-Sense Smart WiFi Indoor Thermometer1 year

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

Sonoff SNZB-02UL AirGuard E-Ink TH
No
X-Sense Smart WiFi Indoor Thermometer
No
Sonoff SNZB-02UL AirGuard E-Ink TH
Yes
X-Sense Smart WiFi Indoor Thermometer
Yes
Sonoff SNZB-02UL AirGuard E-Ink TH
Not recorded
X-Sense Smart WiFi Indoor Thermometer
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.

X-Sense Smart WiFi Indoor Thermometer
Yes

Connectivity

Sonoff SNZB-02UL AirGuard E-Ink TH
No
X-Sense Smart WiFi Indoor Thermometer
No
Sonoff SNZB-02UL AirGuard E-Ink TH
No
X-Sense Smart WiFi Indoor Thermometer
No
Sonoff SNZB-02UL AirGuard E-Ink TH
No
X-Sense Smart WiFi Indoor Thermometer
No
Sonoff SNZB-02UL AirGuard E-Ink TH
No
X-Sense Smart WiFi Indoor Thermometer
Yes
Catalog note

2.4 GHz Wi-Fi Connection via Base Station

Sonoff SNZB-02UL AirGuard E-Ink TH
No
X-Sense Smart WiFi Indoor Thermometer
No
Sonoff SNZB-02UL AirGuard E-Ink TH
No
X-Sense Smart WiFi Indoor Thermometer
No
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.

X-Sense Smart WiFi Indoor Thermometer
No

Display

Sonoff SNZB-02UL AirGuard E-Ink TH
No
X-Sense Smart WiFi Indoor Thermometer
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.

X-Sense Smart WiFi Indoor Thermometer
Not applicable / unspecified
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.

X-Sense Smart WiFi Indoor Thermometer
No
Sonoff SNZB-02UL AirGuard E-Ink TH
Not recorded
X-Sense Smart WiFi Indoor Thermometer
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.

X-Sense Smart WiFi Indoor Thermometer
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.

X-Sense Smart WiFi Indoor Thermometer
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.

X-Sense Smart WiFi Indoor Thermometer
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.

X-Sense Smart WiFi Indoor Thermometer
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.

X-Sense Smart WiFi Indoor Thermometer
Not applicable / unspecified

Features

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.

X-Sense Smart WiFi Indoor Thermometer
No
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.

X-Sense Smart WiFi Indoor Thermometer
Yes

Integrations

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.

X-Sense Smart WiFi Indoor Thermometer
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).

X-Sense Smart WiFi Indoor Thermometer
No
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.

X-Sense Smart WiFi Indoor Thermometer
No
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.

X-Sense Smart WiFi Indoor Thermometer
Yes
Catalog note

Community X-Sense integration for Home Assistant (HACS), which lists this model and reads it from the X-Sense cloud account

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.

X-Sense Smart WiFi Indoor Thermometer
No
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.

X-Sense Smart WiFi Indoor Thermometer
No

Power

Sonoff SNZB-02UL AirGuard E-Ink TH
8+ months
X-Sense Smart WiFi Indoor Thermometer
1 year
Sonoff SNZB-02UL AirGuard E-Ink TH
2x AAA
X-Sense Smart WiFi Indoor Thermometer
2x AAA

Sensors

Sonoff SNZB-02UL AirGuard E-Ink TH
No
X-Sense Smart WiFi Indoor Thermometer
No
Sonoff SNZB-02UL AirGuard E-Ink TH
No
X-Sense Smart WiFi Indoor Thermometer
No
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.

X-Sense Smart WiFi Indoor Thermometer
Yes
Sonoff SNZB-02UL AirGuard E-Ink TH
No
X-Sense Smart WiFi Indoor Thermometer
No
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.

X-Sense Smart WiFi Indoor Thermometer
Yes
Specifications for Sonoff SNZB-02UL AirGuard E-Ink TH versus X-Sense Smart WiFi Indoor Thermometer
SpecificationSonoff SNZB-02UL AirGuard E-Ink THX-Sense Smart WiFi Indoor Thermometer
Alerts
NoNo
YesYes
Not recordedYes
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.

Yes
Connectivity
NoNo
NoNo
NoNo
NoYes
Catalog note

2.4 GHz Wi-Fi Connection via Base Station

NoNo
NoNo
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.

No
Display
NoNot applicable / unspecified
Yes
Catalog note

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

Not applicable / unspecified
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.

No
Not recordedNot applicable / unspecified
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.

Not applicable / unspecified
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.

Not applicable / unspecified
Yes
Catalog note

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

Not applicable / unspecified
No
Catalog note

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

Not applicable / unspecified
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.

Not applicable / unspecified
Features
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.

No
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.

Yes
Integrations
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.

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).

No
Yes
Catalog note

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

No
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.

Yes
Catalog note

Community X-Sense integration for Home Assistant (HACS), which lists this model and reads it from the X-Sense cloud account

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.

No
Yes
Catalog note

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

No
Power
8+ months1 year
2x AAA2x AAA
Sensors
NoNo
NoNo
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.

Yes
NoNo
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.

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