SONOFF SNZB-02 Temperature and Humidity Sensor User Manual

About this manual

The SNZB-02 is a low‑power ZigBee temperature and humidity sensor designed for real‑time environmental monitoring. It works with the SONOFF ZigBee Bridge and the eWeLink app to create smart scenes and trigger other devices.

This manual covers how to install the sensor, pair it with a ZigBee gateway, use the eWeLink app, and details the technical specifications, FCC and EU compliance statements, and troubleshooting steps. This manual is written in Chinese.

What's inside

• 使用说明
• 产品参数
• 产品介绍
• 设备安装
• FCC Radiation Exposure Statement
• EU Declaration of Conformity

Specifications

Frequently asked questions

How do I pair the SNZB-02 sensor with the eWeLink app?

Long‑press the reset button for 5 seconds until the LED flashes three times, then add the device in the eWeLink app while it is in pairing mode.

Can the sensor be installed on metal surfaces?

No, installing the sensor on metal surfaces can affect wireless communication distance, so it should be placed on non‑metallic surfaces.