Smart Light Dimmer Plug With Z-Wave Plus, Built-In Repeater/Range, Zw39. Hassle-free Operation: Plug the smart outlet in, can control and dim your lights from anywhere, schedule a timed event or create a custom scene from anywhere in the world, at any time of the day Adjust brightness level from 10-100%: Manual Remote Control,come on or turn off via a schedule, cuts energy costs and extends bulb life Plug and Play: The wall plug adds to your Z-Wave hub in minutes. Z-Wave Plus dim control for 120V light devices, max loading 500W Works with Alexa for voice control (Alexa device and hub sold separately). Compatible with the following Z-Wave certified Hubs: SmartThings, Wink, Honeywell, HomeSeer, Fibaro, Vera, Hubitat and so on Once plugged in, the Wall Plug acts as a signal repeater that boosts connectivity between hub and devices. NOTE: Z-Wave gateway controller required(sold separately)