Using everlasting magnet motor technology, compared with usual motors, bigger energy efficiency, more stable operation integrated inverter can mechanically alter the speed of the pump in line with the particular water demand to realize on-demand water supply it's in the peak era or the trough period, it'd ensure the safe transport of relatives water overload defense device, automatic power off when the current is simply too large, preserve the motor is suitable for pressurization of household daily life water, resembling kitchen, bathroom, and so forth magnet motor working noise is lower, compatible for home use.