Network switch refers to the use of mobile phones, laptops, tablets, desktop computers and other commands issued through the rrjet system to control the wall switch, It is the basic control unit of the smart home system. The network switch usually consists of four parts: AC-DC power conversion, signal receiving and transmitting module, microprocessor control, power drive switch control. And the custom network switch equipment seller can change the appearance of the network switch according to the customer’s demand, In addition, custom network switchgear vendors, like to find customers through customers, to achieve the purpose of small profits but quick turnover, therefore, the custom network switcher vendor’s price is very low