Non contact IC card water meter

Non contact IC card water meter, one meter and one card for each household, water can be used with the card. The user hands over the water fee to the management department, and the management department writes the purchased water amount into the IC card. After the user inputs the information in the card into the water meter, the water meter automatically opens the valve to supply water. When the purchased water is exhausted, the water meter automatically closes the valve and cuts off the water supply. Only after purchasing water again can the valve be opened again.