Where to install the smart socket, how different from the traditional socket installation?

Where are smart outlets installed? Smart socket is also divided into two kinds. One is the ordinary kind of socket. There is no difference with the ordinary socket, has been installed on the wall. But then, this kind of socket. Is the volume is relatively large, when you have to be inside the line is relatively small, she also needs to connect to the network. This is no different from the ordinary socket, are in robbing the surface. There is also a kind is the same as that outside the socket, that is to say that your previous socket does not have to move to buy another only socket can be plugged in after the socket. Outside in the rub, something else, this can be used as a smart socket.