Feature: 1. Built In 220mAh Battery: This digital micrometer is powered by a CR2032 lithium manganese battery, which is included in the package. With its 220mAh capacity, the battery provides long asting power, eliminating the need for frequent battery replacements. 2. Digital Display: The digital micrometer tool features a large digital screen that provides clear and easy to read measurements. The high contrast display allows for effortless reading of the measured values, ensuring accurate readings every time. 3. High Accuracy: This digital electronic micrometer has a measuring range of 0‑25.4mm and a resolution of 0.00005 inches/0.001mm, which can meet your needs for accurate measurements. 4. Durable Construction: Made of excellent aluminum alloy, this electronic micrometer is sturdy and built to last. It can withstand the rigors of heavy duty usage, providing reliable and accurate measurements even in demanding working conditions. 5. Wide Application: This digital outside micrometer has a wide range of applications and can be used for accurate measurements in a variety of fields, including engineering, manufacturing, scientific research and more. Specification: Item Type: Digital Micrometer Material: Aluminum Alloy Battery Type: Lithium Manganese Battery (Shipped With Built In Battery) Battery Model: CR2032x1 Battery Capacity: 220mah Resolution: 0.001mm/0.00005in Measurement Range: Approx. 0-25.4mm/0-1in. Package List: 1 x Digital Micrometer 1 x LCD Display 1 x Plastic Box