PNI House 910 WiFi Manuel Utilisateur page 10

Delete pairing
Press the key for 5 seconds on the doorbell. You will
hear a Ding-Dong, Ding-Dong sound. Now the two units are
no longer paired.
Download the mobile app
Download the Tuya Smart app by accessing Google Play or
the App Store or scan the QR codes below:
10 - User manual