How does Hua Xu IC card intelligent water meter sound for long time?
Otherwise, the amount of water remaining is insufficient or the water meter is out of order. You can look in the card... If there is an exception, it will show.. Timely notification of property maintenance.
There may be little money left! If it is prepaid IC card water meter, there may be no battery! The problem is to understand what type it is! To make a judgement!