The Vintage Radio Shack Ultrasonic Parking Assistant is a wireless parking sensor designed for vehicles. With its easy setup, this parking assistant from Radio Shack provides a convenient way to help drivers easily detect objects and vehicles for more efficient parking. This product offers a reliable and user-friendly solution for parking challenges. This has never been used and it is in original packaging that has not been opened.  The box was opened but that is it.  All Directions inside.