This Leviton Decora Smart WiFi Dimmer has Alexa built in to the dimmer! Full Alexa functionality is built in so you can use your voice to control the dimmer as well as command alexa to do your bidding. You'll be able to control other lights and devices that are tied in to Alexa. The built in microphone lets you control the dimmer and any other Alexa connected devices using your voice. The built in speaker lets Alexa talk back to you so you can listen to the weather forecast, news feeds and even background music. The dimmer supports any light that can be dimmed, including LED and incandescent and CFL. The Decora Smart voice dimmer is easy to set up. Just install it in place of a standard wall switch and then use the my Leviton app to connect it to your WiFi network. Set up scheduled on and off times for convenience based on time of day or sunrise and sunset. Set an auto-off time to have the switch automatically turn off after a pre-set time. Even set up vacation mode that will randomize on and off times for a lived in look. The free my Leviton app and cloud service lets you control a;; upir Leviton WiFi devices from inside the home or anywhere in the world where you have Internet access. Works with IFTTT so you can integrate it with other third party systems or devices. It can also work with Google Assistant.