The product is a genuine OEM rear trunk tailgate liftgate angle control sensor designed specifically for the 2016-2019 Buick Cascada. It is made by the Buick brand and comes with OE/OEM part numbers 1019261, 3035381A00, and 22906040. This sensor is essential for ensuring proper functionality of the rear trunk tailgate liftgate system in the Buick Cascada, providing peace of mind for vehicle owners in terms of quality and compatibility.