◎ One table, one card function: When a newly issued user card is inserted into a new table, the table will automatically recognize and save the code in the card. The next time the card is inserted, the table will automatically recognize the code and match it with the card to prevent illegal card use

◎ Large screen LCD display: Water volume data, valve status, battery status are clear at a glance

◎ Low voltage detection: When the battery voltage is below 3.8V, the motor valve will be closed and display "under voltage" and "valve closed". A new battery needs to be installed before it can be reused

◎ Insufficient water volume prompt: When the remaining water volume in the table is less than 2.0m3, the valve will automatically close and prompt the user to purchase water. After inserting the card, open the valve and continue to use the remaining water volume until it reaches 0, then close the valve

Anti counterfeiting function: When the card is reverse inserted or a non system card is inserted, it will display "card error"

◎ Special engineering card: convenient for maintenance

◎ Magnetic protection function: When a strong magnetic field approaches, the meter will display an "alarm" and close the valve

◎ Integrated design: compact structure, beautiful appearance

◎ Retain mechanical wheel display: The entire watch has dual mechanical and electronic display functions

◎ Using 4 dry batteries: convenient for users to replace at any time

◎ Intelligent monthly self checking function: ensures reliable operation under various interference conditions