1. sealing performance: The 4M cable float switch controller adopts polypropylene sealing to ensure sealing performance. The float switch design utilizes buoyancy principles, featuring a simple and rational structure. 2. Automatic water level adjustment: The water level switch adjusts automatically, offering userfriendly operation and easy installation, providing a more ecofriendly and sustainable solution. 3. Suitable for pump control: This liquid level float switch is ideal for controlling pump operation and can be installed on submersible pumps for engine control and protection. 4. Versatile applications: For motors below 750W, the float switch can be used directly. For motors above 750W, an AC contactor is recommended. The float switch controller is suitable for various containers such as swimming pools, barrels, and more, widely used in households, factories, and mining companies for storing water, oil, acids, alkalis, and other substances.