It is a GPRS Ethernet Temperature and Humidity 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: * 4 Temperature Sensors (max.) * 1 Humidity Sensor * 2 Analog Sensors (max.) * 3 Digital Inputs * 3 Pulse Channels * 2 Relay Outputs 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 GPRS, SMS and Ethernet Data Upload 2) Integrated 16 bit MCU & Siemens GPRS Ethernet 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) Remote Setup by GPRS, SMS or Ethernet 7) RS485 Port support data capturing in Modbus protocol 8) Support Dynamic Domain Name or Fixed IP, and UDP/TCP protocol data transmission 9) Flexible AC/DC power with internal battery backup Free Software: [1] Setup software is bundled for routine configuration via Ethernet remotely, or via USB port locally [2] Centre software is also provided for receiving data via GPRS, Ethernet. [3] NET Client app (Windows, iPad, Android) is free for user friendly graphics data display