The Varietas HomeHub is the required hardware device for the Varietas Homebridge Control4 Driver. This listing is to provide information on the product but you need to purchase the driver and hardware bundle. https://www.blackwiredesigns.com/store/varietas-apple-homehub-driver/
Homebridge is an open source software package you can run on your home network that emulates Apple’s HomeKit hardware protocol. It supports Plugins, which are community-contributed modules that provide a basic bridge from HomeKit to various 3rd-party APIs provided by manufacturers of “smart home” devices. The Varietas Home Hub is a pre-packaged install-ready system that makes setup and operation of homebridge with Control4 simple to install and maintain.