1. 60MB hard disk and 2GB SD card expansion memory.
2. Different communication protocol between PC and device, including RS232/485, TCP/IP, USB, WIFI, DHCP, Web Server.
3. 3.5 inches TFT touch screen, you can add staff name, shift and photo on machine directly through this touch screen.
4. Build in backup battery can support 3 hours when cut off all power supply.
5. Build in Web server enables you to remote control machine to do some setting and check attendance records easily.