The product is an OEM rear blind spot alert radar sensor module designed for Volvo S60 V60 models from 2011 to 2018. This radar sensor, with the OE/OEM part number 31665289, operates as an object sensor to detect vehicles or objects in the blind spot area of the rear, either on the left or right side of the vehicle. Manufactured in Singapore, this radar sensor provides advanced driver assistance systems to improve safety and visibility while driving.