1、DIGITAL DISPLAY AND SIMPLE OPERATION: Double digital tube display on key panel, control panel with classic layout, man machine interaction ergonomic design, simple and clear, one key to run or stop 2、RAPID SILENT COOLING: The cooling fan has strong wind, large silent fan has good effect, and the fine craftsmanship is conducive to the rapid dispersion of heat to the fin 3、FASTER AND STABLE: Adopt faster microprocessor, new main control board design, good quality components, stable and durable, possess longer service life 4、NINE PROTECTIONS TAKE CARE OF YOUR MOTOR: Possess overload, overheat, overvoltage, undervoltage, overcurrent, phase loss, grounding, short circuit, stall and other protections 5、ACCURATE VECTOR CONTROL: Optimized built in PID algorithm, accurate torsion vector control, widely used in constant pressure water supply, wind pressure and constant pressure control, etc.