Does the Philips Hue Smart Plug work with HomeKit, Alexa, and Google Home?
The Hue Smart Plug turns any lamp into a Hue light.
It works over Bluetooth or through a Hue Bridge and switches up to 1,800 W at 100-120 V. It suits HomeKit, Google Home and Alexa users through an integration (Zigbee).
How the device gets into the platform on this route. The headline is the best route: local before cloud, direct before bridged, core before community. The methodology page lists every level.