Item Type: Paint Thickness Gauge_x000D_Model: HW-300S_x000D_Material: ABS_x000D_Resolution: 0.01mm/1mil_x000D_Measuring Range: 0-2000UM_x000D_Measurement Accuracy: 3%+1UM_x000D_Resolution: 0um~99.9um, 0.1um. _x000D_Minimum Convex Arc: Approx. 5mm / 0.2in_x000D_Minimum Concave Arc: Approx. 25mm / 0.98in_x000D_Minimum Measuring Area Diameter: Approx. 20mm / 0.79in_x000D_Minimum Substrate Thickness: Approx. 0.2mm / 0.01in_x000D_Maximum Measurement Speed: 2 readings per second. _x000D_Power Supply: 2 x 1.5V AAA battery, delivered without battery. 1Smart Testing: Can record the average, maximum and minimum value and difference value at the same time, and supports up to 50 data for statistics, accurate and convenient. If the auto power off function is on, the instrument will automatically shut down to save battery power without any operation within 3 minutes. 2Coating Meter: Used to measure the thickness of non conductive coatings on metal surfaces, as well as the thickness of non ferromagnetic coatings on ferromagnetic metals. 3Simple in Use: There are 3 units of um, mm, mils, which can be set by a button, and can quickly measure the thickness of plating on metal surfaces. 4Broad Utility: Widely used in automotive factories, industrial manufacturing, production equipment, mechanical processing, etc. 5Better Design: High definition display with background light, easy to read data, non slip design, comfortable to hold, only 4.72 inches long, easy to carry. 1 x Paint Thickness Gauge 6 x Standard Film 1 x Basal Plate 1 x User Manual