The Lutron Caseta Wireless Smart Bridge (model # L-BDG2-WH) connects with leading smart home technology including Amazon Alexa, Apple HomeKit, the Google Assistant, Serna shades and Sonos. Using Alexa, this unit is also capable of switching your lights on and off through voice control. This unit supports up to 75 Caseta devices and installs easily via a wall outlet plug for power and plugs into your Wi-Fi router.