1. New design, tightness and long-life
2. Manual adjustment both of stroke length and frequency
3.Remote control is available
4. Accepting 4-20mA signal to adjust the frequency under remote control
5.Accepting pulse-frequency to adjust the frequency under remote control
6.Controlling the output achieved by programming to control the on/off time of output relay
7.The parameter of control panel can be locked
8. The pump will stop working and alarm at low liquid level