Package Contains: l. WATER LEVEL INDICATOR with Buzzer 2.FIVE SS SENSOR FOR UP TANK. Item specification: 1.Condition: New: A brand-new, unused and undamaged item that is fully operational and functions as intended. 2.Warranty: 1 Year Seller Warranty 3.Warranty Service: Replacement Working: Fully Automatic Water Level Indicator For Tank . Suitable For Overhead Tank or Undertank Only. Has LED Indications For All LEvel. Also Has High And Low Level LED Indications To Know Water Level , Corrosion Free Sensors. ,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 ABS (Virgin) Housing 6. Control Overhead Tank Specifications: 1.Operating voltage 220-250 volts AC. 2. Frequency 50 Hz.