This HP Parallel Port Adapter is a great addition to your computer setup. It allows you to easily connect to a parallel printer or other parallel devices with ease. The adapter is designed for use with the HP 611900-001 Rev-A model and comes with a 24-pin connector B and a parallel (IEEE 1284) female connector A. The adapter is compatible with a variety of models and has a cable length of 1 ft. It is important to note that this product may contain a chemical known to the State of California to cause cancer and birth defects or other reproductive harm. For more information, please visit WWW.P65Warnings.ca.gov. Get your hands on this adapter today and make your computer setup more efficient!