IClock 300 supports the function of uploading and downloading attendance records on U disk. It is specially designed for enterprises which need to use long distance offline for fingerprint attendance. It adopts humanized interface design style and full graphical interface display, which makes the human-computer interaction more intuitive and friendly. TFT color screen, cutting-edge processing technology, with a wide field of vision enjoyment. Built-in Linux operating system, Europe's top professional technology, the machine can run efficiently for a long time. The fingerprint attendance machine can communicate with the computer through RS232, RS485 and TCP/IP. It can be used by many networking machines. The recognition rate is high, which solves the problem of poor fingerprint quality of special population.