ChanDow Water Level Controller is an automatic switching circuit that used to the controller an AC water pump. It is designed a simple water controller let in which electrodes are required to sense high and low water levels in a tank.Whenever the water level falls below the low-level electrodes, the water pump starts and it stops once the water level touches the high-level electrodes.ChanDow Water Level Controller comes with a small, simple wiring, low power consumption, high switching capacity, and functional stability characteristic.It can be used in a pond water tank, garage, basement flooding rains place where automatic drainage and many more.ChanDow Water Level Controller is non-toxic, corrosion-resistant, easy to install, inexpensive, and long service life.