Features: 100% Brand new and high quality Brand new and high quality. Can be used to sense the level of liquid in a tank Can activate a pump, an indicator, an alarm or other device Use it with hydroponics, saltwater tank, freshwater tank, gardening, aquariums for power head control, pet bowls, fish tanks, filtration, heating, or what ever your project may be Contains no mercury Contact capacity: 70W Switching voltage: DC110V Switching Current: 0.5A Insulation resistance: 10 Operating Temperature: -10 ~ 60 Working pressure: 0 .6MPA Switch material: PP Specifications: Size:18*36 mm (D*H) Cable length:370 mm Color:White Packing Content: 1 x Water Level Switch