FEATURE of DIY reverse sensor system, parking aid: *The 2 sensors and ECU are combined to a single bracket that is mounted behind the license plate, only need to do the job of 2 screws and 1 power cable, the complete DIY solution. * No visible big holes are needed * The 2 innovated sensors with optimized software are completely enough to cover the full area behind the bumper *The sensor's vertical angle is adjustable, enabling the system to fit all vehicle models