Function: This portable coating thickness gauge can quickly, non-destructively and accurately measure the thickness of coatings on metal substrates such as paints, films, etc. With automatic calibration, function data retention. Mini size with LCD screen. Measurement range: 0-2000um Resolution: 0.01mm/1mil Measurement accuracy: (3%+1um). Easy-to-read display: Paint thickness gauge with large LCD display shows metal type, operating mode, count, battery status and m reading. Good identification of used car condition and saving money: Sometimes bodywork is a great way to hide anything that doesn't tell us that a car has been in a bad accident. When buying a used car, check your car's paint to make sure each panel is about the same thickness. Widely Used: Compact, high-precision instrument for fast, accurate measurement of coating or plating thickness on virtually any type of metal surface. This unit can be used to adjust the thickness average body paint for hobbyists and professionals in manufacturing, workshops, paint shops, automotive industries. Power supply: 2 AAA 1.5 V batteries (not included). Operating temperature: -10C to 50C. Dimensions: approximately 110 x 52 x 25mm.