MSR100 Programmable Magsripe Card Reader
1. USB/RS232/TTL/PS2 interface, for keyboard simulation, Mac
2. Built-in buzzer , supports ISO7811, AMMVA, CADMV
3. MSR100(singel head), MSR100-D (double magnetic head)
4. MSR100(one led light), MSR100-D(2 led lights)