How to Add a Door Sensor in the TT Lock App

A door sensor can be added to your lock through the app to detect when the door is open or closed.
Follow the steps below to pair the door sensor with your lock.

Add the Door Sensor

1. Open the TT Lock App
   Launch the smart lock app and select the lock you want to add the door sensor to.

2. Open Door Sensor Settings
   Tap Settings, then select Door Sensor.

3. Start the Pairing Process
   Tap Add Door Sensor.

4. Activate the Sensor
   Press and hold the reset button on the door sensor for about 2 seconds until the indicator light begins flashing.

5. Continue in the App
   Tap Next in the app after the light starts flickering.

6. Select the Device
   When the sensor appears on the screen, tap the “+” icon next to the device to complete the pairing process.

If the Sensor Does Not Appear

If the door sensor does not add successfully:

• Repeat the pairing steps 2–3 times

• Reset the door sensor and try again

• Ensure the sensor is close to the phone during pairing

Final Check

After pairing is complete, confirm that the door sensor status appears in the lock settings and that the app updates when the door is opened or closed.