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SONOFF SNZB-02P Zigbee Temperature & Humidity Sensor Review

SONOFF SNZB-02P Zigbee Temperature & Humidity Sensor Review

SNZB-02P is an upgraded version of SNZB-02, it is a low energy consumption temperature and humidity sensor.

SNZB-02P must be used with a Zigbee Hub.


Equipped with Zigbee 3.0 protocol, supporting various gateways, including SONOFF Zigbee 3.0 gateways such as SONOFF iHost, NSPanel Pro, ZB Bridge Pro and ZBDongle-E, Alexa with built-in Zigbee hub, etc.


The integrated high-precision Swiss-made sensor ensures accurate measurement of the temperature and humidity of the room in which it is placed. The temperature measurement has an accuracy of ±0.2 ℃ while the humidity of ±2% RH, the detected data is updated every 5 seconds and always provides the latest changes in the environment.

SNZB-02P is powered by one CR2477 battery. SONOFF declares a duration of 4 years!


It is possible to set an alert when the temperature or humidity of the environment exceeds the set range, receiving immediate notifications on the smartphone via the eWeLink App, thus helping to maintain comfort and guaranteeing the quality of life.


The data detected by SNZB-02P will be recorded on the cloud, and stored in the app. The display of temperature and humidity changes for each day, month or semester can be easily accessed via real-time queries. In addition, data can be downloaded to improve your living environment based on temperature and humidity trends.



  • Model: SNZB-02P
  • Working temperature: -10°C~60°C
  • Wireless connection: Zigbee 3.0
  • Battery model: CR2477
  • Casing material: PC
  • Product dimension: 45x45x17.7mm

In the package, we find the SNZB-02P temperature sensor, a double-sided adhesive tape, metal support with a screw, and user manual.


SNZB-02P supports multiple mounting methods: with 3M double-sided adhesive, with 3M double-sided adhesive and metal plate or screw mounting, on a metal surface with the built-in magnet; you can then place the sensor wherever you want.


SNZB-02P can be placed in different environments according to our needs such as living room, bedroom, greenhouse, reptile terrarium, cabinet, bathroom, kitchen, etc… to monitor temperature and humidity remotely.


It is of course possible to integrate SNZB-02P with Alexa and Google Home and monitor temperature and humidity via these devices.


The association of SNZB-02P to the eWeLink App is as simple as for any SONOFF device: once the tab that isolates the battery has been removed, the device automatically enters pairing mode (red LED flashing) and then just do “add device” on the eWeLink App and follow the instructions. If you need to proceed with a further pairing, hold down the side button for 5 seconds after which the red LED will start flashing again.
In conclusion, it can be said that the new SNZB-02P temperature and humidity sensor is another good SONOFF product that replaces the predecessor, improving in performance and quality.

A short presentation video from SONOFF Youtube channel