... :0.5HP~1.5HP,1PH 220V,intelligent constant pressure control,LCD display Mini-booter pump controller:special for small pump size:0.5HP ... ~1.5HP,single phase 220V,intelligent constant pressure control..LCD display.Miniature and able to be mounted on the motor directly ... keypad directly.Built-in PID control.Auto memory restart after power off,no impact to the motor.Built-in cooling fan ...