With the continuous development of economy and society, people's living standards continued to improve, entertainment, tourism and other services also will be developed rapidly, due to competition between the service sector becoming increasingly fierce, timeliness of service often becomes a decision of a service places high and low grade an important factor in the development of enterprises rely on innovative ideas, service concepts and service facilities update, also means that innovation and development of enterprises. Therefore, we advocate the active service into the concept of on-demand services, to create a "do not disturb the customers, not to delay service" consumption environment, walking into line with the international approach to service line, therefore, a new service to relay products -- Wireless electronic call bell products on the birth for us.