Integrated Digital Water Control Machine

1. Integrated pulse flow meter, solenoid valve and card-payment controller prevents water theft and vandalism 2. Easy installation like a water meter, fully sealed waterproof design for bathrooms, bathhouses, apartments and harsh environments 3. Set water allowance per card; rejects use when quota is exceeded 4. Built-in meter display shows water usage at a glance 5. Works with both cold and hot water 6. 6-digit LED display, ideal for outdoor use in strong light 7. Offline operation; rates and parameters configurable via management card 8. Automatically verifies cardholder legitimacy and decides whether to allow consumption based on account info 9. Anti-magnetic design: auto-closes valve on strong magnetic interference or tampering 10. V safe low-voltage design for user safety 11. IC card can be extended to all-in-one card, compatible with attendance, access control, payment and parking systems 12. Extensible subsidy function for user subsidies 13. Dimensions: 150×95×117 mm 14. Card type: M1 card 15. Billing: by time, by volume, by count 16. Display: 6-digit digital display 17. Card capacity: up to 1,000,000 18. Frequency: 13.56 MHz 19. Card reading distance: 0–50 mm 20. Card read/write speed: <0.3 s 21. Gray 22. Communication: offline, RS485, Ethernet (RJ45), Wi-Fi module, 4G module 23. Power adapter: input 100–240 V; output DC 12 V / 1 A 24. Storage: up to 60,000 records 25. Data retention after power-off: >10 years 26. Lost-card blacklist: >1,000,000 cards 27. Working environment: -10 to +100 °C