For better visibility while reversing: Simply replace your license plate holder with this 2-in-1 rearview assistant. See what’s happening behind your car: The built-in camera wirelessly transmits images to the dashboard display. Playing children, sidewalks, and parked cars: You have everything in sight and can react early. It warns you acoustically of obstacles: Two side-mounted ultrasonic sensors detect everything directly behind your vehicle. As you approach an obstacle, you will be alerted by a beeping sound. Car trigger: Simply pair the device with the reverse light to turn it on. This automatically activates the rearview camera when reversing.