Features • Accurate Measurement Range: Electronic measurement range of 0–300mm/12in with ±0.01in accuracy ensures precision for all your measurement needs • Quick Unit Conversion: Effortlessly switch between inch and metric units using the quick-change button, complete with a reset key for convenient measurements • Non-Damaging Material: Crafted from aerospace-grade carbon, this tool protects valuable items like jewelry and 3D prints from potential damage during measurement • Versatile Long Jaw Design: The long jaw accommodates a variety of measurement tasks, making it ideal for both home DIY projects and professional applications • Extra-Large LCD Screen: Enjoy easy and clear readings on the extra-large display, enhancing efficiency and accuracy whether on the job or at the worksite Features: 1、The electronic measurement range is 0~300mm/12in with an accuracy of ±0.m/0.01in for readings in all your measurement needs. 2、This measuring tool has a quick？change button that changes between inch/metric units, with reset key to facilitate measurement and use. 3、Aerospace engineering grade carbon, when measuring valuable items such as jewelry or 3D printing, it will not cause damage to the measured object. 4、Long jaw design, which can meet most of the measurement needs. Home DIY and professional use are both highly recommended. 5、It has an extra？large LCD screen for easy and clear readings for faster efficiency and accuracy on the job or at the worksite. Specification: Item Type: Digital Caliper Material: Carbon Color: As shown in the picture Measuring Range: 0~300mm/12in Accuracy: ±0.m/0.01in Working Temperature: 0℃~40℃ Storage Temperature: -20℃~70℃ Battery Type: Button battery Battery Model: LR44 (Not included) Number of Batteries: 1pcs Package List: 1 x Digital Caliper (Battery Not Included) Package List 1 x Digital Caliper (Battery Not Included)