The product is a genuine OEM 2003 GMC Envoy 15195517 Black AM FM Radio CD Cassette Player Unit. This unit is specifically designed for the 2003 GMC Envoy model and features a 2 DIN size with an LCD display and cassette player functionality. It is a genuine GMC brand unit with the manufacturer part number 15195517 and interchangeable part number 638-01443. The unit is compatible with CD formats and includes all necessary features for a seamless audio experience in your vehicle.