Most cars sold on the secondary market are positioned by sellers as "not beaten, not painted". Painted elements on the car body can be detected by eye, but if the coloring was done in a professional shop, you can't do without the device. All information is displayed on a small LCD screen. The limit of values for triggering the signal can be set manually.  There are several test modes. Up to 80 measurements can be stored in the memory. There is a USB-connector for recording data on a computer.