This Tripp Lite cable extends a CGA/EGA monitor cable or serial mouse cable by an additional 6 feet. Foil-shielding construction provides maximum EMI/RFI protection. The DB9 female and DB9 male connectors are molded with built-in strain relief to ensure that the cable last a long time. Tripp Lite warrants this product to be free from defects in materials and workmanship for life.