The KS-15WBU Wi-Fi wall outlet suits for Brazil&Switzerland markets.
It makes life easier. A 2.4G Wi-Fi and a smart phone are OK. Once the smart wall socket is set up, turn a connected appliance on and off using the 'Smart Life' App. Connect as many wall outlet as you want and group them together to turn off when you go out or turn on when you get home. Google Home and Amazon Alexa are supported.