Features High Accuracy: This thickness gauge has a resolution of 0.0005 inches or 0.01 mm, which can accurately measure the thickness of materials in the range of 0 to 20mm, meeting the needs of fine measurement. Digital Display: This thickness meter adopts digital display, intuitively displaying the measurement results, which is convenient for users to get the data quickly and improve work efficiency. Compact And Portable: This electronic thickness meter is small in size and light in weight, which makes it very convenient to carry around and use. Excellent Aluminum Alloy Material: This thickness gauge meter is made of excellent aluminum alloy material, which is strong and wear resistant, not easy to be damaged, and has a long service life. Wide Application: This pocket thickness micrometer has a wide range of applications and can be used in industry, processing, construction and other industries. Specification: Item Type: Micro Digital Display Thickness Gauge Material: Aluminum Alloy Battery Type: Lithium Manganese Battery ( Shipped With Built In Battery ) Battery Model: CR2032 x 1 Battery Capacity: 220mah Resolution: 0.01mm/0.0005in Power Supply: 3V Lithium Coin Battery (CR2032) ( Shipped With Built In Battery ) Operating Temperature: 0-40°C Storage and Transportation Temperature: -20-70℃ Relative Humidity: ≤80% Package List:1 x Thickness Gauge1 x Battery1 x Plastic Case1 x Manual Package List 1 x Thickness Gauge 1 x Battery 1 x Plastic Case 1 x Manual