You can connect Hao Deng devices to your Google home and use your voice to control them. Once you know the name or group of your lights, you can say the following:
"Turn on <light name>"
"Dim <light name>"
"Brighten <light name>"
"Set <light name> to [50%]"
"Dim/Brighten <light name> by [50%]“
"Turn <light name> [color]"
"Turn on/off all the lights"