The Smart Device Compare comparison

Centralite Temperature & Humidity Sensor vs Sonoff SNZB-02UL AirGuard E-Ink TH

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Before you compare every specification

Key differences between Centralite Temperature & 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): Centralite Temperature & 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.).
Specifications to check side by side
  • Apple Home (integrations): Centralite Temperature & Humidity Sensor — No; 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).).
  • Matter (integrations): Centralite Temperature & Humidity Sensor — No; 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
  • 13 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.

3differences with recorded values for every device
13rows with missing or unspecified information

Consider your setup

Apple Home

  • Centralite Temperature & Humidity SensorNo
  • 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

  • Centralite Temperature & Humidity SensorNo
  • 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

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

Centralite Temperature & Humidity Sensor
No
Sonoff SNZB-02UL AirGuard E-Ink TH
No
Centralite Temperature & Humidity Sensor
Yes
Sonoff SNZB-02UL AirGuard E-Ink TH
Yes
Centralite Temperature & Humidity Sensor
Not recorded
Sonoff SNZB-02UL AirGuard E-Ink TH
Not recorded
Centralite Temperature & 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

Centralite Temperature & Humidity Sensor
No
Sonoff SNZB-02UL AirGuard E-Ink TH
No
Centralite Temperature & Humidity Sensor
No
Sonoff SNZB-02UL AirGuard E-Ink TH
No
Centralite Temperature & Humidity Sensor
No
Sonoff SNZB-02UL AirGuard E-Ink TH
No
Centralite Temperature & Humidity Sensor
No
Sonoff SNZB-02UL AirGuard E-Ink TH
No
Centralite Temperature & Humidity Sensor
No
Sonoff SNZB-02UL AirGuard E-Ink TH
No
Centralite Temperature & Humidity Sensor
No
Sonoff SNZB-02UL AirGuard E-Ink TH
No
Centralite Temperature & 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

Centralite Temperature & Humidity Sensor
Not applicable / unspecified
Sonoff SNZB-02UL AirGuard E-Ink TH
No
Centralite Temperature & 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.

Centralite Temperature & 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.

Centralite Temperature & Humidity Sensor
Not applicable / unspecified
Sonoff SNZB-02UL AirGuard E-Ink TH
Not recorded
Centralite Temperature & 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.

Centralite Temperature & 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.

Centralite Temperature & 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.

Centralite Temperature & 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.

Centralite Temperature & 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

Centralite Temperature & 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.

Centralite Temperature & Humidity Sensor
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

Centralite Temperature & Humidity Sensor
Yes
Catalog note

Zigbee sensor: an Echo with a built-in Zigbee hub pairs it directly, and SmartThings or Hubitat publish its temperature and humidity to Alexa

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.

Centralite Temperature & Humidity Sensor
No
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).

Centralite Temperature & Humidity Sensor
Not recorded
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.

Centralite Temperature & 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.

Centralite Temperature & Humidity Sensor
No
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.

Centralite Temperature & Humidity Sensor
Yes
Catalog note

Works with SmartThings, Hubitat, Ezlo, Vera and other Zigbee platforms

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

Centralite Temperature & Humidity Sensor
Not recorded
Sonoff SNZB-02UL AirGuard E-Ink TH
8+ months
Centralite Temperature & Humidity Sensor
Not recorded
Sonoff SNZB-02UL AirGuard E-Ink TH
2x AAA

Sensors

Centralite Temperature & Humidity Sensor
No
Sonoff SNZB-02UL AirGuard E-Ink TH
No
Centralite Temperature & Humidity Sensor
No
Sonoff SNZB-02UL AirGuard E-Ink TH
No
Centralite Temperature & Humidity Sensor
Yes
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.

Centralite Temperature & Humidity Sensor
No
Sonoff SNZB-02UL AirGuard E-Ink TH
No
Centralite Temperature & Humidity Sensor
Yes
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 Centralite Temperature & Humidity Sensor versus Sonoff SNZB-02UL AirGuard E-Ink TH
SpecificationCentralite Temperature & 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.

Not recordedYes
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
Yes
Catalog note

Zigbee sensor: an Echo with a built-in Zigbee hub pairs it directly, and SmartThings or Hubitat publish its temperature and humidity to Alexa

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.

NoSONOFF 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).

Not recordedYes
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.

NoSONOFF Hub required
Catalog note

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

Yes
Catalog note

Works with SmartThings, Hubitat, Ezlo, Vera and other Zigbee platforms

Yes
Catalog note

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

Power
Not recorded8+ months
Not recorded2x AAA
Sensors
NoNo
NoNo
YesYes
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
YesYes
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