The GE In Wall EZ Smart Home Light Switch ZW4003 Z Wave 14292 is a white light switch unit that operates on the Z-Wave smart home protocol. This Enbrighten Z-Wave Plus model from GE allows for easy control and automation of your home lighting, making it a convenient and efficient addition to your smart home setup. With its smart light features and compatibility with Z-Wave devices, this light switch offers enhanced control and convenience for your home.