UA300 adopts the brand new firmware and provides an unprecedented user experience. It brings innumerable surprises, including the stunning GUI, rock-solid stability, fast matching speed and expandability. Users can easily manage data by networking UA400 via RS232/485, TCP/IP, USB Host or USB Client. Most importantly, all the functions can still operate in a networking state. UA400 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 UA300.