Features:brand new and high qualityCan be use for home water tower automatic water supply systemWidly use for aquarium fish for tank water changer systemfor conductive liquid automatic control and solenoid for valve water pump motor automatic controAutomatic feeding system for poultry and livestockFarm automatic water supply system and other occasions that require automatic water supply and water exchange.Package Includes:1 PC x Water Level RelaySpecifications:Item:LC25A01 10A 30A Water Level Automatic ControllerWorking voltage: for DC 12Size: approx 70mm X 50mm X 40mm/2.76x1.97x1.57inWeight: 28gnote:Due to the problems of lighting effects and shooting angles, there will be certain tolerances in the product, please understand.Please allow 0-1cm error due to the manual measurment.