Main features: Built In function switch applied for water supply by liquid level control through float switch applied for water supply by pressure control through pressure switch and pressure tank applied for drainage by liquid level control through float switch Automatic stops the pump in the case of water shortage, protecting it from dry running without installing float switch in the well Auto / Manual switch Dynamic LCD displaying pump running state Protect the pump against many faults Push Button Calibration Starts and stops the pump in accordance with the different liquid level or pressure setting