The LeeKooLuu OBD2 Scanner is a diagnostic tool designed to help users easily scan and diagnose issues with their car's onboard systems. With a focus on user convenience, this scanner comes with a user guide and connects via OBD2, ensuring seamless compatibility with a wide range of vehicles. The manufacturer part number (j) indicates that this product is specifically designed for OBDII interfaces, making it a reliable choice for anyone looking to maintain the health of their vehicle. Never used.