Wall-mounted Pipe-line Water Dispenser

1. 77-inch color display, clearly shows user name, card No., balance and consumption info 2. Offline operation; rates and parameters configurable via management card 3. Automatically verifies cardholder legitimacy and decides whether to allow consumption based on account info 4. IC card can be extended to all-in-one card, compatible with attendance, access control, payment and parking systems 5. Touch buttons switch warm/hot water, independent rates 6. Extensible subsidy function for user subsidies 7. Dimensions: 318×134×428 mm 8. Payment: physical card, NFC, WeChat/Alipay QR code (customer-scan), official-account e-code (customer-scan) 9. Billing: by time, by volume, by count 10. Display: 1.77-inch color screen 11. Card capacity: up to 1,000,000; unlimited for real-time/cloud versions 12. Frequency: 13.56 MHz 13. Card reading distance: 0–50 mm 14. Card read/write speed: <0.3 s 15. White 16. Communication: offline, RS485, Ethernet (RJ45), Wi-Fi module, 4G module 17. Storage: up to 60,000 records 18. Data retention after power-off: >10 years 19. Lost-card blacklist: >1,000,000 cards 20. Rated power: 550 W 21. Water pressure: 0.03–0.6 MPa 22. Power supply: 220 V / 50 Hz 23. Water source: purified water 24. Heating capacity: >90 °C, 25 L/h 25. Hot tank capacity: 3 L 26. Ambient temperature: 5–40 °C