This Wi-Fi enabled switch allows for single pole setup, or use multiple Wall Switches for 3- and 4- way functionality, providing unparalleled flexibility anywhere in your home. Control, monitor, and schedule your home's switch-operated interior and exterior lighting, switch-controlled fireplaces, ceiling fans and more to turn on and off from anywhere. Conveniently operate Wall Switch with voice control through Siri, Alexa, and the Google Assistant.120VAC, Neutral Wire Required