Zigbee Temperature and Humidity Sensor

User Manual

SNZB-02P is a low-power temperature and humidity sensor that can detect the temperature and humidity of the environment in real time. It can be easily installed anywhere you want, simply by sticking it in place. Customized smart scenarios can be created to control various devices, ensuring your home environment is always comfortable.

Temperature and humidity detection

4-year Battery Life

Low Battery Notification

Smart Scene

*The above features depend on the function of Zigbee gateway.

① LED indicator
● Flash slowly for 180 seconds: Device is in pairing mode.
● Keep on for 3s and then keep off: Pairing Successful
● Exit flashing slowly and keep off: Pairing Failed
● Flash once quickly: Not added to the gateway, short press the pairing button
● Flash twice quickly: Added to the gateway, short press the pairing button
● Flash slowly for 30 seconds: Abnormal communication

② Pairing button
● Press and hold for 5 seconds: Device enters the pairing mode (Pairing time 180 seconds).





Battery model



Wireless connection

Zigbee 3.0 (IEEE802.15.4)

Net weight




Product dimension


Casing material


Applicable place


Working temperature

-10°C ~ 60°C

Working humidity

5-95%RH, non-condensing

Working height

Less than 5000m



Executive standard

IEC/EN 62368-1, UL4200A

Download the“eWeLink”App

Please download the “eWeLink” App from Google Play Store or Apple App Store.

Matched gateways

SONOFF ZBBridge, ZBBridge-P, ZBBridge-U, NSPanel PRO, iHost, ZBDongle-P, ZBDongle-E

Third-party compatible gateway models:

SmartThings Gateway Model:SmartThings Hub V3, AeoTec Smart Home Hub V3

Amazon Gateway Model: Echo Plus 2nd; Echo 4th Gen; Echo Show 2nd

Effective Communication Distance Verification

Install the device in the desired place, then press the Pairing button on the device. The LED indicator flashes twice means the device and the device under the same Zigbee network (the router device or hub) are in the effective communication distance.

One device paired with multiple water leak detection cables
Replace the Battery

Use a card ejector pin to press the buckle and use a coin or other tool to rotate the bottom cover, then pry open the bottom cover.

Add a Device
1.Download the“eWeLink”App

Please download the “eWeLink” App from Google Play Store or Apple App Store.

2.Add device

Take out the battery insulation sheet to power on the device.

Enter “Scan”.

Scan the QR code on the device

Select “Add Device”

Long press the button for 5 seconds

The LED indicator flashes slowly for 180s

Select Zigbee gateway

Wait until the addition is done