Adopting the design of three-speed working mode, the volume of the pumped liquid can be changed by adjusting the working time of the motor through the single button
The three-stop operating mode is designed to allow the motor to adjust the operating time with a single button to change the volume of the pumped liquid
The design of three gear working mode is adopted, and the volume of liquid pumped out can be changed by adjusting the working time of the motor through the single machine button<br>