LTK6128W-WIFI - Doorbell WiFi Pairing Guide

Pairing Mode 1 - Program the Wifi name from the LTS Connect, Generate the QR.   
Let the doorbell camera to see the new QR# from your phone.

Pairing Mode 2 - Default the Doorbell and Hold side button 5 sec.  Set to Direct-Wifi pairing between PC and doorbell. (see more detail from the PDF)