This camera is functioning properly, den170 ° angle also allows a good view of the side of the vehicle, it provides a good picture, at voliger darkness with only the return lights on you can see everything just as well as during the day, the only difference the colors are different and a slight smoke. The only negative is the punk you can not adjust because have a little man fumelen, make wedges suitable to the angle of sitmmt so you even past the distance lines which provides the camera with the distance.