The rugged MR3000 family of Magnetic Stripe Readers features built-in decoders to read one, two or three tracks of information. The housing is a specially designed heavy die cast steel for unsurpassed stability and durability.??PRODUCT FEATURES:??Built-in decoder reads all combinations of tracks 1, 2, and 3 (option selectable); ?Heavy die cast steel housing; ?Stainless steel card guide for an extra smooth swipe; ?Bi-directional reading head; ?A two color LED indicates a Good/Bad read; ?Operates with or without computer keyboard attached; ?Standard keyboard wedge or optional USB / RS232C output interface; ?Supports a wide range of reading speeds;?Ergonomic design.