Backing up, backing into parking spaces, and parallel parking may not result in as many fatalities and serious injuries as high-speed driving, but these low-speed driving situations account for a significant portion of all accidents. The main reason backing up results in so many accidents is that cars and trucks have blind spots that make it difficult to see pedestrians, cars and other objects. There are a number of ways to eliminate these blind spots, but backup cameras and parking sensors are two of the most common.
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BEST WIRELESS backup camera!! (Trust me, I've tried a lot!)
Blind spot mirrors can be helpful when backing up, but a well-placed camera can effectively eliminate blind spots. These cameras are also easier to use because the video display is often located in the dashboard. It is especially useful for people who have limited mobility, which can make it difficult for them to physically turn around to check blind spots.
Most blind spot cameras use fisheye lenses, which allow them to provide a very wide angle view of whatever is behind a vehicle by causing a type of lens distortion. Fisheye lenses aren't very good at capturing distant objects, but that's not a problem for purpose-built backup cameras. Some blind spot cameras also have built in light or night vision so they can be used in the dark.
Parking sensors perform the same function as security cameras, but they do not provide visual information. Instead, they are designed to warn the driver if there are any obstacles in the way. If a child or animal walks behind the vehicle when it reverses, this type of sensor can trigger an alarm that allows the driver to stop in time.
