The product is a used OEM left side tail light assembly for a 2013-2016 Audi A4. It comes with a manufacturer warranty of unspecified length and is a direct replacement part that does not require modification. The tail light is designed for the left side of the vehicle and includes mounting hardware for installation. The product is suitable for Audi A4 models from 2013 to 2016, providing a genuine replacement part for maintaining the vehicle's original look and functionality.