1.auto water vending machine 2.coin, IC card payment system 3.UV, ozone sterilizing 4 ... If the water pressure of pump inlet is below adjusted value, pump will auto stop.9. more safe and reliable ... to make machine auto start and auto stop.10. Coin and smart IC card charging technology, dual insurance, select ... precision can reach 0.01. Auto water venderMachine with coin and IC card for Drinking Water