The product is equipped with a high water level alarm control panel and a float switch, which can be used independently for the high water level alarm system or can be connected externally to a submersible pump for cooperation. the pump circuit and the alarm circuit are separated, so even if the pump circuit malfunctions, the alarm system can still operate normally Intelligent Water Level Monitoring: This float switch adopts advanced water level monitoring technology, which can accurately sense water level changes and issue timely warnings to remind you of the need to drain water in time to prevent overflow and damage. it can automatically activate your sewage pump for drainage, preventing further water level rise, effectively safeguarding your home and property from flood threats We employ high-quality audio-visual flashing alarms that can brightly flash in well-lit environments while emitting a powerful 110-decibel alarm. With IP67 waterproof rating, suitable for indoor and outdoor use. One Year Warranty is Provided. If you have any problem , please feel free to contact us. High Water Alarm