The product is a genuine Hyundai/Kia OEM blind spot detection sensor specifically designed for the rear left side of the Kia Optima model years 2019-2020. Made in Korea, Republic of, this performance part ensures safety and convenience by detecting vehicles or objects in the driver's blind spot, aiding in avoiding potential collisions. With the manufacturer part number 95810A8500, this high-quality component is a reliable addition to enhance the overall performance of the vehicle.