Product Description:MSR90 is a USB emulation keyboard interface that does not require any driver or software. It can work on TXT, Word, Excel, POS or any type of keyboard. MSR90 is a handheld magnetic card reading machine with USB interface, adopting highly integrated magnetic card decoding chip. They have low electricity consumption and strong immunity to interference. MSR90 conforms to ISO-7811, 7812 standard for decoding magnetic cards completely. It can read cards bidirectionally, it has smart lights to warn you if the card details are read correctly. The exquisite magnetic installation structure makes card reading more stable and reliable, which is our patented technology. This product is very small and compact. Features: Small footprint to fit in tight spaces. It reads up to 3 paths of information. Bi-directional swipe readout. Excellent reading of high jitter, scratched and worn Magstripe cards. Reliable for over 1,000,000 card swipes. It reads ISO7811, AAMVA, and most other card data formats. Threaded inserts for mounting. Windows 98/2000/XP/Vista/7 or many other USB in the state of operating systems. Package Included:1 x MSR90 USB Card with Magnetic Stripe Reader