The USB Duplicators conveniently copies portable USB storage drives without a computer. Advanced asynchronous duplication means no waiting and no interruption as each channel can independently load, unload, and copy. The new USB Duplicators also features user friendly 4-key control with LCD, high speed duplication and bit-by-bit Compare function to confirm successful copies. Reliable, affordable, and convenient, the USB Duplicators are the best companion for any industry.