Features: Powered USB bus - 'without an external power supply. Hardware compatible with and computer or terminal with an USB interface. User-programmable, setup program disk attached in each unit package. LED and Buzzer for reading status. Reads ANSI /ISO, AAMVA and CA DMV format magnetic cards (300 – 4000 Oe). Application: Point-of-Sale, Computer Security Fraudulent Card Checking, Access & Time Control, Portable Computer Peripherals.