How to judge if the multi-way switch could be replaced by TP-Link Smart Switch in family grid
A 3-Way HS210 Installation Tutorial - Smart Home Community
Kasa Smart 3-Way Light Switch Kit by TP-Link (HS210 KIT) - Neutral Wire and 2.4GHz Wi-Fi Connection Required, Works with Alexa and Google Home, No Hub Required, UL Certified, 2-Pack : Amazon.ca:
Kasa Smart 3-Way Light Switch Kit by TP-Link (HS210 KIT) - Neutral Wire and 2.4GHz Wi-Fi Connection Required, Works with Alexa and Google Home, No Hub Required, UL Certified, 2-Pack : Amazon.ca:
HS210 - Kasa Smart Tp-link Kasa Smart Hs210 - Kasa Smart 3 Way Switch - Needs Neutral Wire, 2.4ghz Wi-fi Light Switch Works With Alexa And Google Home, Ul Certified, No Hub