The product is a Engine Control Module (ECM) and Body Control Module (BCM) with key fob for a 19-20 INFINITI QX50 FWD. It is designed for direct replacement and features easy installation. The ECM and BCM have specific OE/OEM part numbers and interchange part numbers, making them compatible with the specified vehicle model. This product is a genuine Infiniti part with a manufacturer part number and is suitable for vehicles with a mileage range of 50,000-74,999 miles.