Kasa Smart 3-Way Dimmer Light Switch Kit by TP-Link (KS230 KIT V2) - Neutral Wire Required, 2.4GHz WiFi Light Switch works with Alexa and Google Home, No Hub Required, UL Certified, White :
KASA Smart 3 Way Dimmer (KS230 KIT) : r/homeautomation
How to Install a Kasa KS230 V2 Kit | DIY Installation - YouTube