1. It has 30 prefabricated multi-segment and multi-segment free-form temperature programmable functions, seletable mulitple startup methods, arbitrary skip operation, and manual modification of the current running clock; when STA=0, it can be used as a fixed-value controller. 2.In the heating section , in order to prevnent the possibility of a large deviatipn when the power is turned off and on (SV-PV), which may cause the destruction of eh instantaneous high-power output system, the "3" item in the STA menu will automatically When PV starts, it is guaranteed that(SV-PV)=0 deviation when power is tunred on again. 3. Display the running status of the program, which is more intuitive and clear. 4.The machine can be configured with externally set SV value; optional dual output cooling and heating control mode. 5.Slope temprature compensation. 6.Provide four communication formats.