The product is a Nissan 16 ALTIMA TCM TCU Transmission Computer Control Unit Module Box Linkage 2.5L. This module is designed to control the transmission in a Nissan vehicle, specifically the 2.5L engine. It comes with a 1-year manufacturer warranty and is a direct replacement part, suitable for vehicles with a similar OE/OEM part number (310363TEOD). The module may require additional programming and can be located in various places on the vehicle, including the center console, steering column, dashboard, and door. It is a genuine Nissan part with interchange part numbers listed for compatibility.