1ALUMINUM ALLOY MATERIAL: The probe is made of premium aluminum alloy material, providing excellent wear resistance and anti embroidery performance. M2.5 thread. detachable and interchangeable with other sizes. 2DIGITAL DISPLAY: Featuring a digital display, this dial indicator operates on a 3V voltage and shows measurement results clearly for accurate readings. 3MEASURE DETAILS: This dial indicator has a 0.00005in/0.001mm resolution, and 0 to 30mm/1.18in measuring range, check for better user experience! 4APPLICABLE SCENES: This digital dial indicator probe guarantees accurate measurements without any reading errors, suitable for mechanical, industrial processes, and laboratory applications. 5IDEAL TOOL FOR MEASUREMENT: Upgrade your measurement tools with this digital dial gauge, offering a convenient and accurate solution for various industries and applications. Item Type: Dial Indicator Material: Aluminum Alloy Battery Type: Lithium manganese battery(Included) Battery Type: CR2032 x 1 Battery Capacity: 220mah Resolution: 0.001mm/0.00005in. Measuring Range: Approx. 0 to 30mm / 0 to 1.18in Power Supply: 3V lithium coin battery (CR2032) Operating Temperature: 0 to +40 Storage and Transportation Temperature: -20 to 70 Working Humidity: Less than or equal to 80% 1 xDialIndicator 1 x Battery 1 x Plastic Box