... , refrigerators, dishwashers, sinks, aquariums, sump pumps, water heaters, and anywhere with potential water damage2) Specification:Working Voltage: 12VMax. working current: 80mAStandby ... after sopping up the water, the device can be recycled Note:Even if the AC power is OFF, the central unit ... that may cause false warning sound. Ground water detector system with solenoid valve for stop water leak