LIFX 1-Pole 4-Buttons Smart Wi-Fi Touch Light Switch, White, Works with Alexa/Hey Google/HomeKit/Siri LFSWWHT4FUS - The Home Depot
3 Way Smart Switch | TREATLIFE | TREATLIFE
Brilliant Wi-Fi Smart 4-Switch Home Control Panel with Voice Assistant White BHA120US-WH4 - Best Buy
Ge Cync Smart Light Switch : Target
Gosund 3-Way Smart Light Switch, Wi-Fi for Light Compatible with Alexa, Google Assistant, Neutral Wire Required, Remote Control, Etl and Fcc Listed, 4 Pack - Walmart.com
Best 4 Way Smart Light Switches — OneHourSmartHome.com
Brilliant Home Control (4-switch control)
Google Home Smart Fan Switch | Smart Wifi Fan Light Switch | Dimmer Switch Light Fan - Switches - Aliexpress
A four-way smart switch for the CNET Smart Home (pictures) - CNET
TREATLIFE Smart Dimmer Switch 4 Pack, Smart Switch Works with Alexa and Google Home, 2.4GHz WiFi Dimmer Light Switch for LED, CFL, Incandescent Bulbs, Neutral Wire Required, Single Pole - Amazon.com
Smart In Wall 2/3/4 Gang Switch|WiFi DS 122 Electric Light Switch – MOES
Moes Smart Switch 4 Gang Wifi | Moes Mini Switch 4 Gang | Mini Wi-fi Switch - Mini Diy - Aliexpress
MoesGo WiFi Smart Wall Light Switch,Glass Panel, Multi-Control(3 Way), 2.4GHz Wi-Fi Touch Switches, Neutral Wire Required, Remote Control Smart Life/Tuya App, Work with Alexa, Google Home White 4 Gang - Amazon.com
LIFX Smart Switch, 2 Buttons 1.6-amp 4-way Smart Illuminated Night Light Push Light Switch with Wall Plate, White in the Light Switches department at Lowes.com
LIFX Smart Switch Black 4 Button
A four-way smart switch for the CNET Smart Home (pictures) - CNET