The idea seemed good, unfortunately, the dashboards of our expensive cars are not perfectly flat, far away ... It is therefore very difficult to position the discs famous above all as the double face that the team is in a really poor quality, for some it is hot in the cockpit, the glue is quickly becoming a soggy "chamalow" which quickly causes, you will doubt you, disasters ... Finally, a great suspicion is recommended with respect to the suction cup, indeed, it does not adhere as well to the plastic on the surface of the windshield causing too dangerous falls qu'énervantes GPS . Certainly the idea was smart, he would have just had to think a little more and refine the product ...