Function: This portable coating thickness gauge can quickly measure the thickness of coating (such as paint, film, etc.) on a metal substrate, non-destructively and accurately. With automatic calibration, data retention. Mini size with LCD display. Measurement range: 0-2000 UM. Resolution: 0.01mm/1mil. Measurement accuracy: (3% + 1 UM). Easy-to-read display: The paint thickness gauge with the large LCD display shows the type of metal, the working mode, the number, battery status and readings either in m. Good identification of used car conditions, save money: Sometimes bodyshells do a great job of visually hiding anything that could not tell us that the car was involved in a heavy accident. Check the paint of the car to ensure that each panel has approximately the same paint thickness when buying used cars. Wide Uses: Highly accurate and compact instrument used to quickly and accurately measure paint thickness. coating or plating thickness on almost any type of metal surface. This device can be used to determine the average paint thickness on the car body, used by hobbyists and professionals in manufacturing, workshops, paint shops, automotive. Note : This product does not include batteries, please bring your own