Features: 【High quality plastic material】The water level sensor is made of high quality PP material with good corrosion resistance and durable. It can be used for a long time in some damp places with water, such as kitchen, bathroom, water heater, humidifier, etc. 【Self-regulating design】The vertical float switch can be adjusted automatically, easy to use, easy to install, safe and reliable. Easy to install water level sensor switch can be used with most liquids, suitable for hydroponics, salt water tanks, fresh water tanks, gardening, aquariums, etc. 【High Sensitivity】The liquid level sensor is professionally designed and processed to provide excellent sensitivity, high precision and reliability. The float sensor switch is mainly used to detect the liquid level in the tank and can operate the pump, indicator, alarm or other devices. 【Suitable for a variety of environments】The water level sensor is suitable for liquids of different densities, different acids and bases, different pressures and temperatures. It is suitable for use in saltwater, freshwater or aquarium tanks, which can meet your different needs and different using places. 【Suitable for a variety of liquid equipment】It can be used for water dispenser, water heater, solar energy, air conditioner, humidifier, bathroom equipment, automatic dispenser, fuel tank, water tower, liquid level control of chemical liquid, anti-dry water level sensor for water heating equipment such as kitchen equipment and water heater, etc.