Measurement Range: 0 - 2mm/ 0 - 71milResolution: 0.01mm/1milAccuracy: +/-0.3mmMinimum Diameter of Substrate:50mmMinimum Thickness of Substrate:0.5mmTemperate Range:18-30Work Humidity Range: 10-95%RHOperating Temperature Range:0-40CPower Supply:2 x 1.5V batteries (Not included)Function:FREELY CHOOSING:Car Mode / User Mode two in one, can be chose freelyPRECISE AND ACCURACY:Digital LCD display, and high accuracy, accurate measurement, easy to readQUICKLY METAL SUBSTRATE:This painting thickness gauge is a portable coating thickness gauge, which can measure the thickness of non-metal coating on metal substrate quickly, nondestructive and accuratelyWIDELY APPLICATED FIELDS:Widely used in manufacturing, automotive industry, metal processing, chemical industry, commodity inspection and otherindustriesCONVENIENT AND EASY USING:Compact design and easy to carry