System functions and features: 
 1, the product uses smart card IC card technology; 
 2 to card control valve switch, the card on the sensor zone automatic deductions of the water, removed the automatic water, stop the billing. More convenient, more user-friendly design; 
 3, water moisture (especially the bathroom moisture severe) special tooling; 
 4, the system uses the recharge machine has two kinds of computer operation and keyboard operation, so that users select as needed; 
 5, variable labor costs for the self-service charges, fees and charges to achieve automatic statistics, management more scientific, more modern; 
 6, full waterproof seamless design to ensure that products have greater stability, durability; 
 7, the automatic recognition of the legitimacy of the cardholder, according to the card account information to decide whether to allow the consumer; 
 8, the system case of magnetic interference, open the shell and other illegal acts of vandalism, water control valves automatically shut off; 
 9, power cut, the solenoid valves automatically close the valve, to prevent the water out of control; 
 10, card reader and display part of the split installation, easy user card and check balances; 
 11, water control device and solenoid valve are 8V (or less) voltage, fully guarantee the safety of users; 
 12, the minimum charging time of 1 second, the minimum amount of 0.01 per billing; minimum charge flow of 1 liter; 
 13 ways to use electronic purse deductions, accounts more accurate data more secure.