SMART UPGRADE: Works with Alexa to add voice control to your home; an easy upgrade from your traditional dimmer switch SETUP REQUIREMENTS: Neutral wires required, 2.4 GHz Wi-Fi GUIDED INSTALLATION: The installation video gives you step-by-step guidance to setup your switch; more support also provided in the in the user manual and troubleshooting guide CONTROL FROM ANYWHERE: Schedule lights to turn on and off with Alexa routines and control them from anywhere using the Alexa app NO SMART HOME HUB REQUIRED: No additional smart devices or apps needed; works exclusively with Alexa