Philips Hue Smart Button (review) – Homekit News and Reviews
Amazon.com: Philips Hue Smart Button for Hue Smart Lights, Smart Light Control, (Hue Hub Required), Pack of 1 White : Industrial & Scientific
Philips Hue Smart Button - how to control multiple lights, with different options, fully customize what a button press does ( multiple things, multiple lights, multiple states, multiple rooms ) - CLN.io