Extends USB peripheral by another 16ft. This repeater cable has built-in buffer & actively regenerates the signals to preserve data integrity and can be daisy chained up to five-times for a total of 80ft. Active repeaters provide maximum flexibility for USB device and ideal for security and surveillance video, PC digital audio systems and other peripherals with USB interface that are beyond the reach of regular cables. (Connectors: USB A Male to Female; Length: 16ft)