The Sonoff SNZB-02P (Round) Zigbee Smart Temperature and Humidity Sensor allows you to quickly and easily monitor the climate in your home and makes smart living easier for anyone who wants complete control over the temperature and humidity in the room. It is ideal for users looking for a reliable solution for monitoring indoor conditions related to the use of smart devices or home automation systems.

Once installed, it helps prevent problems such as excessive humidity, dry air or sudden temperature fluctuations that can affect the comfort and health of those at home. It is intended for anyone who wants to have up-to-date information about the air in a selected space and automatically incorporate it into their routines or automations.

Evaluation of key product features

The sensor is battery-powered and designed to be easily placed anywhere in the room. With support for the Zigbee protocol, it seamlessly connects to your smart home via a bridge such as the Sonoff Zigbee Hub and similar Zigbee hubs. It independently monitors temperature and relative humidity and sends this data directly to a connected platform where it is visible in real time.

One of the biggest advantages of the product is its extremely small and round shape, which makes it discreet, yet very functional. The sensor provides up-to-date data on changes in the room, which enables automation – for example, automatically turning on a dehumidifier, fan or heating when certain conditions are exceeded.

Technically, it boasts very accurate detection of changes in the environment and fast data transmission over a stable Zigbee network. This means lower power consumption compared to WiFi devices and more reliable connections without interruptions. This makes it a great choice for anyone who already uses the Zigbee ecosystem and is looking for a reliable, minimalist sensor for everyday use.

With a round-shaped housing, uncomplicated layout and easy use, the product perfectly adapts to the modern way of smart living, where the emphasis is on comfort, spontaneity and optimal conditions in the room - without unnecessary complexity or clutter.

Same summary

The Sonoff SNZB-02P (round) Zigbee temperature and humidity sensor is designed for users who want to accurately monitor indoor conditions and are looking for easy integration into an existing smart home. Due to the ZigBee connection, it is especially suitable for those who already have or plan to use a control panel, as it ensures lower energy consumption and reliable control of multiple devices at the same time. Using this sensor is not the best option if you want a completely standalone solution without additional equipment (control panel). Another advantage is its shape, which can be discreetly placed in different rooms of the home.

Recommendation source: Enaa guides and team experiences.

User view

Typical users of this sensor are individuals or families who want to keep an eye on the temperature and humidity in living rooms, bedrooms or children's rooms, and anyone who wants flexible home automation. The sensor is also practical for those who control multiple rooms or a weekend house - you can easily monitor the data within one ecosystem, especially if you already use a smart control panel.

The advantage of choosing Sonoff is that the Sonoff brand is recognized for its expanded ecosystem of smart devices, which users appreciate for their reliability and interconnectivity.

Why buy at Enaa

On Enaa, you can easily compare several different smart sensors, allowing you to make a faster and more informed choice, while also providing you with access to useful information and advice tailored to your everyday needs.

Answers to frequently asked questions

Do I need an additional control panel to operate the Sonoff SNZB-02P?

Yes, to use this sensor, a central unit that supports the ZigBee protocol is required, as the device communicates with your smart home through it.

Where is the best place to install this sensor?

It is best to place it in a living area where you want constant temperature and humidity monitoring, such as a living room, bedroom, or child's room, away from sources of heat and humidity for more accurate measurements.

Is this sensor also suitable for outdoor use?

No, this model is only suitable for indoor use as it is not protected against weather and moisture.

What should I do if the data is not displayed correctly?

First, check that the sensor is properly connected to the control panel and that the battery is charged. It may also help to briefly unplug it and restart your smart home system.

Description updated: April 2026