Smart Gateway allows you to control your SG Smart system remotely. Great for checking whether you remembered to turn off the lights at home, or to turn on a smart plug in your cabin before you arrive. The Smart Gateway is connected to an Internet router allowing it to go online. It also features an astro-clock feature allowing SG Smart devices to be controlled on the basis of sunrise and sunset in the place in the world it is positioned. Using Smart Gateway, it is also possible to control your SG Smart system with Apple Homekit, Google Home or Amazon Alexa.