BT CS 538series, including JBT CS 538C and JBT CS 538D. They can diagnose all Asian, European and American cars, such as BMW, BENZ, TOYOTA, HOND A, MAZDA, FORD, Buick and so on. They are with color screen, self-learning function, warning function, and conveniently online upgrading function. However, JBT CS 538D has built-in printers, while JBT CS 538C does not.