SONOFF SNZB-03 Motion Sensor User Manual
Model: SNZB-03
User manual V 1.0
Product Overview
The SONOFF SNZB-03 is a ZigBee low-energy motion sensor designed to detect movement of objects in real time. It can be intelligently operated by working with the SONOFF ZigBee Bridge to communicate with other devices. The device is also compatible with other gateways supporting the ZigBee 3.0 wireless protocol.
The motion sensor is a compact rectangular device with a rounded dome on top. On its front surface, it features a small LED indicator and a reset button.
Features
- ⚡ Low-energy consumption
- ?️ Movement detection
- ? Low battery notification
- ? Smart scene creation
Connect the SNZB-03 with a ZigBee Bridge to create smart scenes that trigger other devices.
Specifications
| Attribute | Details |
|---|---|
| Model | SNZB-03 |
| Battery model | CR2450 (3V) |
| Wireless connection | ZigBee (IEEE 802.15.4) |
| Working temperature | -10°C to 40°C |
| Working humidity | 10-90% RH (non-condensing) |
| Material | PC |
| Dimension | 40x35x28mm |
Operation Instructions
1. Download APP
Download the eWeLink APP from the App Store (?) or Google Play (▶️).
[Image: A QR code is displayed, which can be scanned to download the eWeLink app.]
2. Prepare the Device
Pull out the battery insulation sheet from the device to activate it.
[Image: A diagram illustrates removing a small plastic tab from the battery compartment of the motion sensor.]
3. Add Sub-devices (Pairing)
Ensure your SONOFF ZigBee Bridge is powered on and accessible in the eWeLink APP.
- Open the eWeLink APP, select the ZigBee Bridge you wish to connect.
- Tap "Add" to initiate the pairing process.
- Press and hold the reset button on the SNZB-03 motion sensor for approximately 5 seconds until the LED indicator flashes three times. This indicates the device has entered pairing mode.
- Be patient until the pairing completes.
If pairing fails, move the sub-device closer to the ZigBee Bridge and try again.
[Image: A diagram shows a smartphone screen with the eWeLink app interface indicating pairing status, and a hand pressing the reset button on the motion sensor.]
Connecting Multiple Sub-devices
The SONOFF ZigBee Bridge supports connecting multiple sub-devices simultaneously.
Delete Sub-devices
To delete a sub-device from the Bridge:
- Press and hold the reset button on the sub-device for 5 seconds until the LED indicator flashes three times.
- The sub-device will be successfully deleted from the Bridge.
Users can also delete sub-devices directly from the sub-device page within the eWeLink APP.
[Image: A diagram depicts the motion sensor connected by a wire to a central hub or bridge.]
Installation Methods
1. Desktop Placement
Place the device on a flat desktop for use.
[Image: A diagram shows the motion sensor positioned on a table.]
2. Wall/Ceiling Mounting
Tear off the protective film of the 3M adhesive and stick the device to the desired area on a wall or ceiling.
[Image: A diagram shows the back of the motion sensor with its 3M adhesive exposed, followed by the sensor mounted securely on a vertical surface.]
Important Notes
- ⚠️ Do not install the device on a metal surface, as this may affect the wireless communication distance.
- The device weight is less than 1 kg.
- An installation height of less than 2 meters is recommended.
