User Guide
Smart
Zigbee PIR Motion Sensor
The Zigbee PIR Motion Sensor helps automate lighting, security alerts, or other smart functions whenever motion is detected. It connects easily to your SIMI Smart app through your Zigbee Gateway and is powered by LED long life battery for up to 3 years, or via USB.

Setting Up Your
Zigbee PIR Motion Sensor
Adding Your Sensor
- Power On the Sensor
Open the back cover of the motion sensor.
• Insert the included CR2450 battery. Ensure the positive (+) side is facing up.
• The LED will flash once to indicate the device is powered. - Enter Pairing Mode
Press and hold the reset/pairing button (inside the battery compartment) for 5 seconds.
• The LED will begin flashing rapidly, indicating the sensor is in pairing mode. - Open the SIMI Smart App
Launch the SIMI Smart app on your phone or tablet.
• Tap on your Zigbee Gateway (under “Gateway Control”).
• Tap Add Subdevice. - Complete the Setup
The sensor should be detected automatically.
• Follow the prompts in the app to complete the connection.
• Tap Done when finished.
✅ Your motion sensor is now ready to trigger smart actions using the SIMI Smart app.
Automating Your
Zigbee PIR Motion Sensor
Creating a Scene: PIR Sensor + Smart Light Switch
To automate your lights using the PIR motion sensor, you’ll need to create a scene in the SIMI Smart app. A scene allows one device (like the motion sensor) to trigger another device (like a light switch).
How to Create a Motion-Triggered Light Scene
- Open the SIMI Smart App
Launch the SIMI Smart app and make sure both your motion sensor and smart light switch are already connected. - Go to the Scene Section
- Tap Scene at the bottom of the screen.
• Tap the + icon in the top-right corner to create a new scene. - Set the Condition (IF)
Tap “When device status changes”.
• Select your PIR Motion Sensor.
• Choose “Motion Detected” as the trigger.
• Tap Next. - Set the Action (THEN)
Tap “Run the device”.
• Choose your Smart Light Switch.
• Select the switch action (e.g. Turn On).
• Tap Next. - Optional: Add Conditions
You can limit the scene to run only during certain times (e.g. at night).
• Tap Effective Period and select specific days or time ranges if needed. - Save the Scene
Name your scene (e.g. “Motion Lights On”).
• Tap Save to activate it.
✅ Your smart light will now turn on automatically whenever motion is detected by the PIR sensor! Don’t forget to also set a scene to switch the smart light off after a specified amount of time.
Extra
Tips & Information
Placement
- Mount the sensor between 1.8–2.2 metres high for best coverage.
- Detection range: up to 6 metres, with a 120° field of view.
- Install where movement crosses the detection area side to side, not directly toward it.
- Avoid placing near heaters, air vents, or direct sunlight to reduce false triggers.
Battery & Maintenance
- Uses 1 x CR2450 button cell battery (included).
- Battery level can be checked in the SIMI Smart app.
- Replace the battery when the app shows it’s low or if the sensor stops responding.
Troubleshooting your
Zigbee PIR Motion Sensor
- Check that the battery is inserted correctly.
- Press & hold the reset button for 5 seconds until the LED flashes rapidly
- Make sure your phone is connected to 2.4GHz Wi-Fi and is close to the Zigbee Gateway
- Try moving the sensor closer to the gateway during pairing
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