Inline Water Control Valve (Color Screen)

Integrated pulse flow meter, solenoid valve and card-payment controller prevents water theft and vandalism Easy installation like a water meter, fully sealed waterproof design for bathrooms, bathhouses, apartments and harsh environments Set water allowance per card; rejects use when quota is exceeded Works with both cold and hot water 5. 1.77-inch color display, shows user name, card No., balance and consumption info Offline operation; rates and parameters configurable via management card Automatically verifies cardholder legitimacy and decides whether to allow consumption based on account info Anti-magnetic design: auto-closes valve on strong magnetic interference or tampering 12 V safe low-voltage design for user safety IC card can be extended to all-in-one card, compatible with attendance, access control and payment systems Extensible subsidy function for user subsidies 12、Dimensions: 140×77×80 mm 13. Payment: physical card, NFC, WeChat/Alipay QR, official-account e-code (customer-scan) Billing: by time, by volume, by count Card capacity: up to 1,000,000; unlimited for real-time/cloud versions Frequency: 13.56 MHz Card reading distance: 0–50 mm Card read/write speed: <0.3 s 19、Porcelain White, Sapphire Blue, Midnight Black Communication: offline, RS485, Ethernet (RJ45), Wi-Fi module, 4G module 21、22. Power adapter: input 100–240 V; output DC 12 V / 1 A Storage: up to 60,000 records Data retention after power-off: >10 years Lost-card blacklist: >1,000,000 cards 25. Working environment: -10 to +100 °C