The functions of the Internet of Things include:

1) This consumption flow, cumulative consumption flow, and remaining flow;

2) Used time (days), cumulative usage time, remaining time;

3) Used flow rate or duration of each filter element, remaining flow rate or duration of each filter element;

4) Monitoring and displaying TDS values of source water and purified water;

5) When the TDS value of purified water exceeds the standard for safe drinking water: multiple warnings and reminders from machines, mobile phones, and the backend to replace the filter element in a timely manner;

6) Water leakage warning and shutdown;

7) Reminder of insufficient balance;

8) Automatic shutdown when the balance is 0;

9) Remote power on/off of mobile phones;

10) Machine malfunction, users can easily report repairs with just one click on WeChat;