Innovation is the geometry of several small and micro innovations. 1.1 drop, from the design concept to the integration of mobile phone app and computer screen, all reflect the good intentions of Tao Bo's design. I have done a lot of scrap, fee procedures and fee interfaces. The final result is to innovate the existing pager, and the design with many functions and integration has received great response from the market. The pager, yes, is a pager for intercom with the main station. The meter, yes, is the meter, automatic voice and checkout system.