It is a Wi-Fi Modbus Data Logger with programmable I/O.
Its built-in UPS feature providing user alert of AC power loss.
During power loss, operation is backed up internal rechargeable battery.

Overview:
* 2 Temperature Sensors (max.)
* 1 Humidity Sensor
* 2 Analog Channels (max.)
* 3 Digital Inputs
* 3 Pulse Channels
* 2 Relay Outputs
* Modbus RS485 Interface
* 8 Modbus Data Registers

Its internal 4MB memory logs ~30000 data records.
Data can be uploaded to server as fast as 5 seconds interval, or 24 hours to save power.
Progammable data logging interval starts from 1 minute up to 24 hours.

Features
1) Real Time Wi-Fi Data Upload
2) Integrated 16 bit MCU & Wi-Fi b/g/n module
3) Programmable data input type & alert hi/low
4) Programmable Data Upload Interval & Logging Interval
5) Easy setup via USB port by PC software
6) RS485 Port support data capturing in Modbus protocol
7) Support DHCP or Fixed IP, and UDP/TCP protocol data transmission
8) Flexible AC/DC power with internal battery backup

Free Software:
[1] Setup software is bundled for routine configuration via USB port locally
[2] Centre software is also provided for receiving data via Wi-Fi.
[3] Link-WF app (Windows, iPad, Android) is free for user friendly graphics data display

[Applications]
* water pipes network real time monitoring - water in and out temperature
* oil/gas pipes network, pump stations
* underground water level real time monitoring
* environmental monitoring system - wind/temperature/humidity/CO2/pressure
* remote Industrial equipment monitoring
* rural equipment monitoring e.g. power plant, antenna tower
* measuring equipment data capture and report via Wi-Fi
* food chain, storage, transport industry, building management
* agricultural, farming, laboratory, medical industry