Everyone who owns a smartphone knows that it can be very helpful in many situations. Whether as a navigation device, shopping list or simply for entertainment purposes - the application possibilities are almost limitless. The revolutionary Quad Lock mounting system makes using your smartphone even more practical and versatile. The main component of the Quad Lock is the case, which is plugged onto the Smartphone. This serves as a stable protective cover and as a counterpart for the various holders. The cut-outs for plug and camera are available as usual. The case is made of sturdy polycarbonate plastic and thus offers optimal protection. The passive part of the mounting device for the various brackets is located on the back.