Philips Hue Review: the Wall Switch module makes your existing light switches smart - 9to5Mac
Philips Hue Wall Switch Module review: smart-ish, at last - The Verge
Toggle switches with the Hue wall switch module are theoretically possible - Hueblog.com
Philips Hue Announces New Wall Switch Module, Dimmer Switch, and Outdoor Light Bar | MacRumors Forums
First look: Philips Hue Wall Switch Module - YouTube
Philips Hue Dimmer Switch (1-Pack) 562777 - The Home Depot
Philips Hue White and Color Ambiance Medium Lumen (75W) Smart Button Starter Kit, Hub Included + Wall Switch Module Bundle, Compatible with Alexa, Google Assistant, Apple HomeKit - Amazon.com
Philips Hue Wall Switch Module - Pack of 2 - Indoor - White - Keeps Hue Smart Lights Reachable When Switch is Off - Requires Hue Lights and Hue Bridge - Amazon.com