Since I had installed a radio with the ability to add a backup camera I decided to give it a try. I don't have a habit yet of remembering I have it yet. It is very handy for making sure nothing is right behind my car though. I've also found that it will see a car coming before I can when backing out from between two vehicles. Those two things really helped me understand why the cameras are now mandatory on new vehicles. I still primarily use my mirrors though. The lines indicating closeness to objects are helpful. I have mine aimed so that the red line means I'm a couple of feet away from the object behind. It is handy when backing up to a trailer as well. If it wasn't for the colored lines though it would be difficult to judge distance with the camera alone. Night vision is as good as daytime, maybe better. Resolution could be better but I think it is fine for the price.