●　Display function: It can display the accumulated flow, instantaneous flow, pump motor working status,real-time time, water level burial depth, water level, temperature, water quantity and other data;
●　Data transmission: The uplink automatically transmits relevant data to the background system through the GPRS network, and downlink data transmission through RS-485, M-BUS, LoRa, and Internet of Things;
●　Card control function: The non-contact IC card is used to read the information in the card through wireless radio frequency technology without any mechanical contact, which is simple and convenient;
●　Real-time clock: uses a low-power clock chip to display real-time time;
●　Setting function: support one-hole multi-card, one-card multi-well and other function settings;
●　Alarm function: alarm when the door is open, the remaining water is insufficient, and the communication fails abnormally;
●　Remote control: Terminal address, time interval, switch pump, calibration, restart, recharge, inquiry, setting and other parameters can be controlled and set remotely;
●　Prepaid function: use water after paying the fee first.

Parameter Name	Parameter Value
Interface	with keyboard
Mounting	panel-mount
Other characteristics	LCD
Applications	display control data information