Highly sensitivity probe and self-calibration design ensures ultra-precise measurement. Our thickness gauge can be used to measure the thickness of metal coatings and coatings such as paint/enamel/chrome on steel, paint and anodized coatings on aluminium/copper. It is constructed of abs material. The length of the product is 12.2cm, the width is 5cm, the height is 2.2cm. It has ultra-precision resolution of 1um, battery level indicator, automatic shutdown function. It is essential equipment for material surface treatment, widely used in manufacturing, metal processing industry, chemical industry, commodity inspection and other fields, and can also be used in laboratories. Item Name: Thickness Gauge Material: ABS Measuring Range: 0-2000UM Measurement Accuracy: Plus or Minus (3%+1UM) Power Supply: 2 x 1.5V AAA Batteries (Not Included) Use Temperature: -10 Degrees Celsius -50 Degrees Celsius Features: High Strength, Good Toughness, Wear Resistant Size Details: Size: 12.2cm x 5cm x 2.2cm/4.81" x 1.97" x 0.87" (Approx.) Notes: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement. Package Includes: 1 x Thickness Gauge 1 x User Manual 1 x Base sheet 6 x Calibration Film