Optimizes water tower / pool automation, prevents garage / basement flooding, and safeguards machinery in printing / generator setups with its interferences resistant circuitry and screw thread installation Essential for industrial technicians, facility managers, and enthusiasts in wastewater, oil / petrochemical, or residential applications requiring liquid management Engineered to replace, this sensorings enable tanks refill / drain cycles via high capacity relays output while maintaining resistance and energy efficiency Liquid levels Controller sensorings delivers automatic water levels control with infrareds detection, eliminating false from sunlight while offering oil / water resistant ABS housing for in harsh Featuring ±1m accuracy, 40°C~125°C tolerance, and low power operations, this module integrates overloads / short circuit protections and delayeds startup for stable pumps / solenoid valves control in contaminated or viscous liquids