1. The radio frequency card water meter adopts the prepayment mode, which automatically deducts water usage, automatically closes the valve when payment is overdue, and automatically opens the valve when recharging.

2. Swipe the user card and the water meter LCD can display information such as cumulative water consumption, remaining water volume, and valve status.

3. If the water meter battery is under-voltage, the remaining water is insufficient to close the valve, valve failure or misoperation, the water meter will give an alarm through the display or valve control.

4. The water meter has a tiered pricing function. Through the water fee management system software, the tiered water price, tiered price period, and the minimum water fee for the corresponding period can be set.

5. The manager can set the alarm water volume, recharge lower limit, overdraft limit and other parameters of the user's water meter on the water fee management system.