automatic water level controller Dual Operation Modes: Equipped with both supply and drain modes for versatile water level management Voltage Compatibility: Operates on AC 110-120V power supply with maximum power connect of 600 watts device directly. Sensor Technology: Features a 6.5ft detector sensor for accurate liquid level detection and monitoring Water Level Control: Automatic water level controller system for efficient monitoring and management of liquid levels Application:This pump controller can help you realize the automatic water supply and drainage of fish ponds, reservoirs, swimming pools, and water tanks.