The DeLOCK PCI Express adapter card provides 1 external female DB25 serial port (IEEE 1284). It is installed in a PCI Express x1 slot to add an external serial interface for printers, scanners, and other IEEE 1284 devices. It supports the parallel modes SPP, EPP, and ECP with bidirectional data transfer. It uses the ASIX AX99100 chipset. The package includes the PCIe card, low-profile bracket, driver CD, and user manual in retail packaging. Compatible with modern versions of Windows (Windows 8.1, Windows 10, Windows 11) according to DeLOCK's information.