Acumen Disc Micro SD / SD Secure Digital Flash memory card duplication system provides you a convenient way to copy the two most popular digital media format MicroSD / SD card. Don't forget about DoD compliant erase function! as this erase mode permanently deletes sensitive data. Total Standalone unit. No software needed. The system have two separate slots for MicroSD and SD cards**, so you don't have to worry about adapters. **Only one slot of the 2 slot combo works at a time. Source Analysis feature identifies the content on the master and intelligently copies only the data to speed up copy cycle. Fast, reliable, convenient and cost-effective to operate, Acumen Disc SD duplicators help you to get more done in less time! No computer, no lengthy installation and no complicated setup. You just simply plug in your original card and start duplicating with just one click. Our USB duplicators features Asynchronous copy. This neat feature allows each channel to function independently and copies directly from 128MB of built-in memory so there is no need to start and end a copy cycle at the same time.