You can use ExtraHouse App to control smart lights, smart switch and smart outlet in your house by voice. ExtraHouse app could control and scene your smart devices at home * Ok Google, turn on/off light * Ok Google, dim/brighten light * Ok Google, set the light to 25 percent * Ok Google, change light to 4000 kelvin * Ok Google, set the light to red * Ok Google, turn on/off the smart switch * Ok Google, turn on/off the smart plug