[High Quality Material] The water level sensor is made of high quality PP material, which has good corrosion resistance and is durable. [High Sensitivity] - The liquid level sensor is designed and professionally processed with excellent sensitivity, high precision and reliability. [Practical Function] The float switch is mainly used to detect the liquid level in the tank, and can operate the pump, the indicator, alarm or other devices. Used to detect the level of liquid in tanks and to operate pumps, indicators, alarms or other devices. [Automatic adjustment] - The vertical float switch can be adjusted automatically, easy to operate , easy to install, safe and reliable, non-toxic and environmentally friendly. Automatic adjustment The vertical float switch can be adjusted automatically, easy to install, safe and reliable, non-toxic and environmentally friendly. environment. [Low Demand and Universal] This compact, low demand and easy to install water level sensor can be used with most liquids, suitable for hydroponics, saltwater tanks, to freshwater tanks, gardening, aquariums, etc.