MSR90 USB Swipe Magnetic Credit Card Reader 3 Tracks Mini Smart Card Reader MSR605 MSR606 Deftun MSR90 is a USB emulation keyboard interface that not need any driver or software,USB simply plug and play Reads up to 3 tracks of information,can reads ISO7811, AAMVA, CA DMV and most other card data formats Threaded inserts for mounting. LED indicator, green light is on when connecting,green light blinks when cards swiped Bi-directional swipe reading, superior reading of high jitter, scratched, and worn magstripe cards, reliable for over 1,000,000 card swipes Configuration software makes configuration changes easy,works with: Windows OS and Mac OS, or many other USB capable operating systems