About this item Fully automatic water level controller single phase Anti corrosion sensor Contact capacity : 20 A auto, manual switch Tank water level indication, pump on indication Product description Package contains: l.Fully automatic water level controller 2. Sensor for overhead tank. Item specification: 1. Condition: unused and undamaged item that is fully operational and functions as intended. 2.Warranty: 1 year warranty 3.Warranty service: fully automatic water level controller for tank this model will automatically switch on and automatically switch off the motor. Has auto on and auto off operation. auto on occurs when the tank level is low. Auto off when tank is full. Suitable for motor pump upto 2 Hp operated by a normal on/off switch / MCB. also suitable for electronic starter. Has LED indications for motor on. also has high and low level indication to know the level of tank. . Corrosion free sensors. Has manual mode and auto mode functions. In auto mode, auto on and auto off operation occurs. in manual mode, the motor pump will be constantly running. this controller unit has a fully automatic function (manual on and auto off function). Just keep the controller in manual mode for the motor to get switched on and then change it to auto mode for automatic off. long life. Easy to install. Advanced embedded technology. features: 1.Elegant looks 2.No man power required to operate as fully automatic 3.Avoid overflow longer life no mechanical system 4.Saves electricity 5. Compact plastic (virgin) housing 6. Control overhead tank specifications: 1.Operating voltage 220-250 volts ac. 2.frequency 50 hz . 3.Load capacity each switch (2 Hp)