Reareyes is a product readily available for commercial and private vehicles that alerts the driver to the presence of obstacles while reversing; The Reverse Sensor utilizes the principle of sonar and is an ultrasonic measuring and warning system available for most cars, trucks, utilities and vans; It provides the driver with an audible or visual warning (for hearing impaired) of any obstacle, unlike other audible warning devices currently used that warn the "obstacle" to get out of the way; T...