60MB hard disk and 2GB SD card expansion memory. Different communication protocol between PC and device, including RS232/485, TCP/IP, USB, WIFI, DHCP, Web Server. 3.5 inches TFT touch screen, you can add staff name, shift and photo on machine directly through this touch screen.  Build in backup battery can support 3 hours when cut off all power supply. Build in Web server enables you to remote control machine to do some setting and check attendance records easily. 5000 fingerprints capacity, every person can register 10 fingers per ID. 1.3 million pixels camera, supporting video online and real time monitoring. Users can query their attendance records on machine directly after inputting their ID number.
 Duress alarm function improves highest security for access control, when users are threatened to open the door by intruder, they can use duress finger to activate duress alarm for help. Supports 31 time zone per day, 20 groups and 10 unlock combinations. Six function keys help to record detailed time attendance: In, Out, Break, Resume, Overtime, Overtime Off.