Updated September 2026
Data from Amazon and official Govee and Sonoff sites.
2026 verdict
Adding air pressure to the usual readings, the Sonoff SNZB-02M AirGuard TH Pressure Sensor wins this temperature and humidity sensor comparison for anyone with a Zigbee hub.
It works with Google Home, Alexa, SmartThings and Home Assistant, reaches Apple HomeKit and Matter through a SONOFF hub, sends low battery alerts and carries a 2 year warranty with a battery rated for 2 years. The GoveeLife Hygrometer Thermometer H5104 is the lower priced one and the only one with a screen, a 3.1 inch LCD, and it needs no hub since it reads out over Bluetooth, though Home Assistant is its only platform. Pick the Sonoff SNZB-02M AirGuard TH Pressure Sensor for a Zigbee smart home and barometric data, and the GoveeLife Hygrometer Thermometer H5104 for a hub-free sensor you can read on the wall.
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| Feature | GoveeLife Hygrometer Thermometer H5104 | Sonoff SNZB-02M AirGuard TH Pressure Sensor | Winner |
|---|---|---|---|
| Price | $13.99 | $19.90 | GoveeLife Hygrometer Thermometer H5104 |
| Rating | 4.5 | 4.4 | GoveeLife Hygrometer Thermometer H5104 |
| Warranty | 1.5 years | 2 years | Sonoff SNZB-02M AirGuard TH Pressure Sensor |
| Screen | YES | NO | GoveeLife Hygrometer Thermometer H5104 |
| Integrations | Home Assistant | Google Home, Alexa, Apple HomeKit, Samsung SmartThings, Home Assistant, Matter | Sonoff SNZB-02M AirGuard TH Pressure Sensor |
| Sensors | Temperature, Humidity | Temperature, Humidity, Atmospheric Pressure | Sonoff SNZB-02M AirGuard TH Pressure Sensor |
| Connectivity | Bluetooth | Zigbee | Tie |
| Alerts | Temperature Alerts, Humidity Alerts | Temperature Alerts, Humidity Alerts, Low Battery Alerts | Tie |
What the differences mean
Air pressure
The Sonoff SNZB-02M AirGuard TH Pressure Sensor adds barometric pressure to temperature and humidity, useful for spotting weather shifts. The GoveeLife Hygrometer Thermometer H5104 measures temperature and humidity only.
Screen
The GoveeLife Hygrometer Thermometer H5104 shows its readings on a 3.1 inch LCD. The Sonoff SNZB-02M AirGuard TH Pressure Sensor has no display, so every reading lives in an app or dashboard.
Radio and platforms
The Sonoff SNZB-02M AirGuard TH Pressure Sensor is a Zigbee sensor that needs a hub, and on it reaches Google Home, Alexa, SmartThings and Home Assistant. The GoveeLife Hygrometer Thermometer H5104 uses Bluetooth, needs no hub for local readings and works with Home Assistant only.
Battery and warranty
The Sonoff SNZB-02M AirGuard TH Pressure Sensor is rated for 2 years on a CR2477 cell and covered for 2 years. The GoveeLife Hygrometer Thermometer H5104 runs on two AAA batteries with no published life and is covered for 1.5 years.
Which one to buy if
- you track weather or a grow space
The Sonoff SNZB-02M AirGuard TH Pressure Sensor adds barometric pressure to temperature and humidity.
- you want to read the temperature on the device
Only the GoveeLife Hygrometer Thermometer H5104 has a screen.
- you have no Zigbee hub
The GoveeLife Hygrometer Thermometer H5104 works over Bluetooth with just a phone.
- you want the readings in Alexa or Google Home
The Sonoff SNZB-02M AirGuard TH Pressure Sensor supports both; the Govee supports neither.
- + Price: $13.99
- + Rating: 4.5
- + Screen: YES
- - Warranty: 1.5 years vs 2 years
- - Integrations: Home Assistant vs Google Home, Alexa, Apple HomeKit, Samsung SmartThings, Home Assistant, Matter
Winner
- + Warranty: 2 years
- + Integrations: Google Home, Alexa, Apple HomeKit, Samsung SmartThings, Home Assistant, Matter
- + Sensors: Temperature, Humidity, Atmospheric Pressure
- - Price: $19.90 vs $13.99
- - Rating: 4.4 vs 4.5
What owners say
Owners of both sensors praise accuracy, often after checking them against thermometers they already trusted. GoveeLife Hygrometer Thermometer H5104 owners also like the readable LCD with min and max values and the app's exportable history, and warn that being Bluetooth only means remote monitoring needs a Govee hub and that no voice platform is supported. Sonoff SNZB-02M AirGuard TH Pressure Sensor owners single out pairing with Zigbee2MQTT or ZHA in seconds, the pressure channel for spotting weather shifts, a solid build and the magnetic mount. Their complaints are that some platforms, SmartThings among them, do not show the pressure reading, the uncommon CR2477 battery, the missing display and an orange backplate.
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.
- GoveeLife Hygrometer Thermometer H5104
- Sonoff SNZB-02M AirGuard TH Pressure Sensor
Loading price history...
Frequently Asked Questions
Which is better overall: GoveeLife Hygrometer Thermometer H5104 or Sonoff SNZB-02M AirGuard TH Pressure Sensor?
The Sonoff SNZB-02M AirGuard TH Pressure Sensor, for its pressure sensor, wider platform support and 2 year warranty. The GoveeLife Hygrometer Thermometer H5104 is the lower priced choice with a display and no hub required.
What is the biggest difference between the GoveeLife Hygrometer Thermometer H5104 and the Sonoff SNZB-02M AirGuard TH Pressure Sensor?
The Sonoff SNZB-02M AirGuard TH Pressure Sensor is a screenless Zigbee sensor that also measures air pressure, while the GoveeLife Hygrometer Thermometer H5104 is a Bluetooth sensor with a 3.1 inch LCD.
Does the Sonoff SNZB-02M AirGuard TH Pressure Sensor need a hub?
Yes, a Zigbee hub. The GoveeLife Hygrometer Thermometer H5104 works over Bluetooth without one, though remote monitoring needs a Govee hub.
Who should buy the GoveeLife Hygrometer Thermometer H5104?
Anyone who wants an inexpensive indoor sensor with a screen and app history, without setting up a hub.
Who should buy the Sonoff SNZB-02M AirGuard TH Pressure Sensor?
Zigbee and Home Assistant users who want pressure as well as temperature and humidity, and support across Google Home, Alexa and SmartThings.
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
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SonoffSNZB-02DR2 AirGuard TH
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