This product provides automatic pump operation control, liquid level regulation, and can be installed on a submersible pump to control the motor. Key features - Material: Made of high quality polypropylene for long service life. - Float switch design: Based on gravity and buoyancy, with a simple, reliable structure. - Automatic and user friendly: Automatically adjustable, easy to use and install, safe, reliable, avirulent and environmentally friendly. What it does for you - Regulates pump work to maintain desired liquid level. - Compatible with submersible pumps to directly control motor operation. Use scenarios - Domestic or agricultural water tanks to keep the liquid level steady and regulate pump activity. - Sump pits or basements to automate pump start/stop and prevent overflow. - Submersible pump installations to manage motor operation as part of the pump system.