Wireless Door/Window Sensor

Push messages to you if door/window is

opened or closed. Secure your home and enjoy a peace

of mind.

Scene Linkage, Start Your Smarter Life

Have you ever thought to turn on/off devices through you action? Simply

connect the sensor with your devices to turn them

on/off when you open or close the door.

Just Like “A Police” Patrols Your Home

Worry that your home is threatened when you’re away? Try to connect

a camera to the sensor and you can scare the stranger

off with your voice anywhere, anytime.

History Records Check

Want to check the past message notifications about your home? The sensor allows

you to go back to the history records over past 3 months.

Low-battery Notification

You will get a notification of low-battery level when the battery life gets 10% remaining.

Intelligent Security, Simple Installation

Simply use our included 3M adhesives to get the motion sensor mounted

in your ideal locations just in seconds.

Installation Instruction

Product Introduction

Installation methods

1. Tear off the protective film of the 3M adhesive.


2. Try to align the mark line on the magnet with that on the transmitter during installation.


3. Install them in the opening and closing area separately.



1. Do not install on the metal surface, otherwise it will affect the wireless communication distance.

2. The device weight is less than 1 kg.

3. The installation height of less than 2 m is recommended.

4. Make sure the installation gap is less than 10mm when the door or the window is closed.




1. Do not install outside the door/window.

2. Do not install in the unstable position or in the place exposed to rain or moisture.

3. Do not install near wiring or magnetic object.



Device Pairing Instruction


1.Pull out the battery insulation sheet.


2. Add sub-devices


Connect the Bridge before adding the sub-device.

Access eWeLink APP, select the Bridge that you want to connect, and tap “Add” to add a sub-device.


Then long press “RST” reset button on the device for 5s until the LED indicator flashes three times, which means the device has entered the pairing mode, and be patient until pairing completes.



1. If the addition failed, move the sub-device closer to the Bridge and try again.

2. Once the device entered the pairing mode, it will quit pairing mode after 30s automatically.

3. SONOFF ZigBee Bridge supports connecting multiple sub-devices at the same time.

Delete sub-devices

Long press the reset button on the sub-device for 5s until the LED indicator flashes three times. In this case, the sub-device is deleted from the Bridge successfully.



1. Users can delete sub-devices directly from the sub-device page on APP.


1. How does it get powered?

CR2450 coin cell battery.

2. Which Zigbee protocol does it follow?

ZigBee HA 1.2 protocol.

3. Can I pair several sub-devcies at the same time?


4. What’s the maximum working distanc?

Within 80m from the SONOFF ZBBridge or intermediate router(eg.BASICZBR3).

5. Can I share it with others?

It can’t be shared directly. We should share the ZBBridge with others and SNZB-01 will be shared automatically.

6. Does it work with WiFi devices in a scene?


7. Does it support adding a camera in eWeLink?


8. Does it work with voice control of 3rd party platforms, like Alexa or Google Home?

Yes, the function will be available soon.