Updated September 2026
Data from Amazon and official Sonoff site.
2026 verdict
Screen over sensor count: the Sonoff SNZB-02WD is the better choice of these two Sonoff Zigbee temperature and humidity sensors, winning on its LCD display and stronger owner feedback.
The Sonoff SNZB-02M AirGuard TH Pressure Sensor wins only on sensors, since it adds atmospheric pressure. Price, connectivity, integrations and alerts come out level: both need a Zigbee hub, both work with Alexa, SmartThings and Home Assistant, and both reach Apple Home and Matter through a SONOFF Hub. The SNZB-02WD also carries IP65 weather resistance. Many SNZB-02WD specs are undocumented, including battery, battery life, warranty and size, so the SNZB-02M's 2-year warranty and 2-year battery rating have nothing to be weighed against. Take the SNZB-02WD for a readable, weatherproof sensor; the SNZB-02M for pressure data.
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Winner
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| Feature | Sonoff SNZB-02M AirGuard TH Pressure Sensor | Sonoff SNZB-02WD | Winner |
|---|---|---|---|
| Rating | 4.3 | 4.4 | Sonoff SNZB-02WD |
| Screen | NO | YES | Sonoff SNZB-02WD |
| Sensors | Temperature, Humidity, Atmospheric Pressure | Temperature, Humidity | Sonoff SNZB-02M AirGuard TH Pressure Sensor |
| Price | $19.90 | $19.90 | Tie |
| Connectivity | Zigbee | Zigbee | Tie |
| Integrations | Google Home, Alexa, Apple HomeKit, Samsung SmartThings, Home Assistant, Matter | Alexa, Apple HomeKit, Samsung SmartThings, Home Assistant, Matter | Tie |
| Alerts | Temperature Alerts, Humidity Alerts, Low Battery Alerts | Temperature Alerts, Humidity Alerts | Tie |
- + Sensors: Temperature, Humidity, Atmospheric Pressure
- - Rating: 4.3 vs 4.4
- - Screen: NO vs YES
Winner
- + Rating: 4.4
- + Screen: YES
- - Sensors: Temperature, Humidity vs Temperature, Humidity, Atmospheric Pressure
Price history compared
Every price change of both, in the same store, so the gap between the two lines is what one costs more than the other.
- Sonoff SNZB-02M AirGuard TH Pressure Sensor
- Sonoff SNZB-02WD
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Frequently Asked Questions
Which is better overall: Sonoff SNZB-02M AirGuard TH Pressure Sensor or Sonoff SNZB-02WD?
The Sonoff SNZB-02WD wins overall on its screen and owner feedback. The Sonoff SNZB-02M AirGuard TH Pressure Sensor wins on sensors because it also measures atmospheric pressure.
What is the biggest difference between the Sonoff SNZB-02M AirGuard TH Pressure Sensor and the Sonoff SNZB-02WD?
The Sonoff SNZB-02WD has an LCD screen and IP65 weather resistance, while the Sonoff SNZB-02M AirGuard TH Pressure Sensor has no screen but adds a pressure sensor.
Do both need a hub?
Yes. The Sonoff SNZB-02M AirGuard TH Pressure Sensor and the Sonoff SNZB-02WD are Zigbee sensors that need a Zigbee hub, and both need a SONOFF Hub for Apple Home and Matter.
Which one can be used outdoors?
The Sonoff SNZB-02WD is IP65 rated. The Sonoff SNZB-02M AirGuard TH Pressure Sensor has no weather rating.
Who should buy the Sonoff SNZB-02M AirGuard TH Pressure Sensor?
The Sonoff SNZB-02M AirGuard TH Pressure Sensor suits indoor Zigbee setups that want pressure trends with a documented 2-year warranty.
Who should buy the Sonoff SNZB-02WD?
The Sonoff SNZB-02WD suits anyone who wants to read the numbers on the device, including in damp or outdoor spots.
Full comparison table
Compare all 34 Temperature & Humidity Sensors side by side
You are looking at two of them. The full table lines up all Temperature & Humidity Sensors in the catalog with the same specs, so you can filter by what you need and sort by price or rating.
- 34 Temperature & Humidity Sensors
- 43 specs compared
- 39 filters
YoLinkSmart Wireless Thermometer Hygrometer
10% OFF$16.14$14.48
GoogleNest Temperature Sensor
10% OFF$39.00$34.99
EcobeeSmartSensor
$99.49
SwitchBotMeter Pro
$19.99
SwitchBotMeter Plus
15% OFF$17.99$15.29
GoveeHygrometer Thermometer H5104
$13.99
AeotecMultipurpose Sensor
$38.99
X-SenseSmart WiFi Indoor Thermometer
23% OFF$14.99$11.59
X-SenseSTH0B Smart Thermometer Hygrometer
6% OFF$12.34$11.59
GoogleNest Temperature Sensor (2nd gen)
$39.98
SonoffSNZB-02DR2 AirGuard TH
$14.90- Sonoff
SNZB-02WD
$19.90 
ShellyBLU H&T ZB
$22.99
ShellyBLU H&T Display ZB
$25.99
SensiEmerson Room Sensor
$45.88- Sonoff
SNZB-02M AirGuard TH Pressure Sensor
$19.90 
SwitchBotMeter
$13.99
SwitchBotIndoor/Outdoor Thermo-Hygrometer
15% OFF$14.99$12.74
AqaraTemperature and Humidity Sensor
$19.98
SonoffLCD Smart Temperature Humidity Sensor
$15.90
Air Quality MonitorsSonoffSAWF-07P Air Quality Monitor
3.7(191)$39.90
Air Quality MonitorsSonoffSAWF-08P Air Quality Monitor
4.3(169)$49.90
CamerasSonoffCAM GlassView
4.6(18)$34.90
CamerasSonoffCam Outdoor DUO
$79.90
CamerasSonoffCam Slim Gen2
4.4(170)$19.90
CamerasSonoffGK-200MP2-B
4.0(149)30% OFF$9.99$6.99
DisplaysSonoffNSPanel Pro Gen2
3.4(11)€149.90
DisplaysSonoffNSPanel Pro
4.1(73)$129.90
DonglesSonoffDongle Lite MG21
4.5(439)$24.90
DonglesSonoffDongle Max
4.3(599)
DonglesSonoffDongle Plus MG24
4.7(675)$35.90
DonglesSonoffDongle Plus PP10
4.6(80)$35.90
DonglesSonoffDongle-PZG23
4.6(172)$39.90
DonglesSonoffZ-Wave 800 PoE Dongle Max
4.3(20)$44.90
DonglesSonoffZBDongle-E
4.6(3,724)$24.90
DonglesSonoffZBDongle-P
4.6(5,667)17% OFF$39.99$33.39
Door & Window SensorsSonoffDW2-WIFI
3.8(1,056)$12.23
Door & Window SensorsSonoffSNZB-04 ZigBee Wireless Door/Window Sensor
3.7(101)$17.99
Door & Window SensorsSonoffSNZB-04P ZigBee Door/Window Sensor
4.0(13)$18.99
Door & Window SensorsSonoffSenseGuard DW Gen2
4.4(192)