Features It is a portable coating thickness gauge that can quickly, non-destructively and accurately measure the thickness of non-metallic coatings on metal substrates. Three measurement modes: single measurement, continuous measurement and differential measurement. Widely used in manufacturing, automobile industry, metal processing, chemical industry, commodity inspection and other industries. Car mode/user mode two-in-one, free to choose, compact design, easy to carry, automatic shutdown to save power. Digital liquid crystal display, high precision, accurate measurement, convenient reading, metric and imperial units can be converted. Features: -It is a portable coating thickness gauge that can quickly, non-destructively and accurately measure the thickness of non-metallic coatings on metal substrates. -Three measurement modes: single measurement, continuous measurement and differential measurement. -Widely used in manufacturing, automobile industry, metal processing, chemical industry, commodity inspection and other industries. -Car mode/user mode two-in-one, free to choose, compact design, easy to carry, automatic shutdown to save power. -Digital liquid crystal display, high precision, accurate measurement, convenient reading, metric and imperial units can be converted. Specifications: Measurement Range: 0 - 1.8mm/ 0 - 71mil Car mode resolution: 0.05mm/2mil User mode resolution: 0.01mm/1mil Accuracy: +/-0.1mm Temperate range:18-30℃ Work humidity range: 10-80%RH Power: 2*1.5V AAA battery (Not included) Size: 10.5 x 6cm / 4.13 x 2.36in Weight: 140g Package included: 1 x Coating thickness gauge (battery   Not included) 1 x manual 6 x Calibration film Package List