The firmware of U300-C has been upgraded to the New Firmware. It brings many new experiences, including the new stunning GUI, rock-solid stability, faster matching speed and better expandability. Users can easily manage data by networking  U300-C via TCP / IP and USB-host / client. Most importantly, all the functions can still operate  in a networking state. U300-C is compatibility with various types of USB flash disks, ADMS and former SDK. It also supports data backup and retrieve to avoid the risk of accidental deletion. It promotes the fingerprint time & attendance management to the next level. You can get the best of benefits from the U300-C.