Notes from Amazon:
Works with Alexa for voice control (hub required, Alexa device and hub sold separately).
ALEXA COMPATIBLE – REQUIRES AN ALEXA SUPPORTED HUB for voice control with Echo Products (Alexa device and hub sold separately). CANNOT connect directly with ECHO PLUS (Only ZigBee products can connect directly to Echo Plus).
Requires a Z-Wave certified gateway. Compatible with the following Z-Wave certified hubs: SmartThings, Pulse, Trane, Nexia, Honeywell, Homeseer, Smart Security, Harmony Home Hub Extender, Vera, Connect and Iris. Works with Alexa for voice control (hub required; Alexa device and hub sold separately).
Wirelessly control, adjust speed (low, medium and high) and program scheduled events for fans from anywhere.
This smart fan control replaces a switch that only controls fans – lights must be on a separate switch.
Requires in-wall installation with hard-wired connections. Neutral wire is required.