Suitable for pumps, sump pumps, sinks, and other water, oil, acid, and alkali container Easy to use and easily adjust the float switches and let it work water levels control with adjustable float switches Perfect for home pools, water tower, and more Float switches is a none flows sensors for easily setups Great for pool, oil, and weak acid applications, this float switches is a multifunctional liquid indicators, Manufacturer: Shurhome