Features Accurate Measurement: Measure thickness with a resolution of 0.001mm, that is, 0.00005in, ensuring accuracy in industrial applications. Durable Aluminum Alloy: Made of sturdy aluminum alloy, this gauge is built to withstand tough industrial environments. Easy to Read Screen: The clear screen provides digital display for easy reading, making it effortless to obtain accurate measurements. Convenient Battery Power: Powered by a built in CR2032 lithium Mn battery, ensuring reliable and long lasting performance. Suitable Range: Can be used for measuring the thickness or date of paper, leather, jewelry, metal sheet and other things. Specification: Item Type: Digital Thickness Gauge Material: Aluminum Alloy Battery Type: Lithium Manganese Battery Battery Model: 1 x CR2032 Battery Capacity: 220mAh Note: The product is shipped with a matching battery, and the battery is already installed on the product. Resolution: 0.001mm, that is, 0.00005in. Power Supply: 3V button lithium battery CR2032. Working Temperature: 0-40℃ Storage and Transportation Temperature: -20-70℃ Relative Humidity: ≤ 80% Package List: 1 x Digital Thickness Gauge 1 x Battery 1 x Plastic Box Package List 1 x Digital Thickness Gauge 1 x Battery 1 x Plastic Box