A high class program, that controls 3 parallel ports at the same time. Suitable for domestic, commercial or industrial use. Can control with parallel port PCI-bus cards from places like ByteRunner or a normal parallel and printer port. Also can be used for any application of controlling devices. For any serious application that needs reliability of straight through pin to pin cables or port to relay, instead of serial communication software and hardware. After purchasing you will receive a purchased licence key.