GE 45613 Z-Wave Wireless Lighting Control Three-Way Dimmer Kit, Works with Alexa Works with Alexa for voice control (hub required, Alexa device and hub sold separately). Easily replace any three-way switch configuration with the GE Jasco Z-Wave three-way dimmer kit to turn lighting on/off or adjust dim levels with your mobile device or computer using any Z-Wave certified gateway. White lighting control matches most standard wall plates (wall plate not included) Dimmer control customizes lighting output and creates the perfect ambiance for any room Works with Amazon Alexa. Z-Wave Hub Required and not included SmartThings, Vera, Homeseer, and wink are optional hubs. Neutral Wire Required (Not Included in packaging).