The product is an OEM 2021-2024 Tesla Model S X HVAC AC heater air temperature sensor with part number 1613661. This temperature sensor is designed for the front cabin interior of Tesla vehicles, offering universal fitment and being made of plastic material. It provides a single sensor for measuring temperature and is manufactured by Tesla with part numbers 161366100A, 161366100, or 1613661-00-A. The sensor is an essential component for maintaining the heating and cooling systems of Tesla vehicles at optimal levels.