High Sensitivity:JUNMEIDO Liquid level sensors are professionally designed and processed to offer excellent sensitivity, high precision and reliability.When you put it in the water, you can quickly feel the water level rise, and when it rises to a certain position, the attached reminder reminds you to turn off the liquid switch in time. High Quality Material: The water level sensor is made of high quality PP material, which has good corrosion resistance, high temperature resistance and durability that bring you long-term use. This material is suitable for use in a variety of liquids such as water and other liquids. Easy to Use:The float sensor switch is mainly used to detect the level of liquid in the tank, and can actuate a pump, an indicator, an alarm or other device. It is a very handy tool for detecting the water level in the water tank. Small size, simple structure, easy to install and use. Automatic Adjustment: The horizontal float switch is automatically adjustable and can be installed as normally closed/normally open according to your needs.Easy to use, easy to install, safe and reliable, non-toxic and environmentally friendly.Switching from on to off is done simply by flipping the float. Wide Range of Applications:This compact, low-cost, easy-to-install water level switch can be used with most liquids, this switch is a horizontal float switch.Suitable for hydroponics, marine aquariums, freshwater aquariums, gardening, fish tanksetc.Filter, heat or use with any of your projects.