Warranty : 1 Year Manufacturer. Warranty Service : Repair or Replacement.. Package Contain : 1 Water Level Controller Unit. 2 S S Sensors with 1.5 meter wire 1 user manual with technical details. Product Descriptions : Working : This controller will start the motor by pressing the start button of the controller and it will automatically switch OFF the Motor, when the tank will full. Users can press the start button at any time they want. Suitable for 0.1 HP to 5.0 HP Motor. Supply Voltage : 220-270 VAC. Relay : 40 A Sensing element : S.S sensor, it is free from oxidation, long life. Any conducting wire can be used for sensor. It can be connected with or without a starter. This model is suitable for any single phase Starter panel see diagram above for connection. Power ON & OFF LED indication provided. Motor ON & OFF indication provided. Tank Empty and Tank Full indication provided. high quality ABS enclosure. compact size. All signals passes in sensors through the AC filter circuit that improve life of sensor, Isolated supply provided Sensor fault detection provided, if sensor got failed LED start blinking Electrolysis free design