Features: Widely used in all kinds of gemstone measurement and precision measurement of small workpiece. We adopts premium stainless steel to make our product,very durable. The chip is elaborately designed,high precision and very quick. Its power comes from battery,you do not need to worry about running out of power as soon as you replace it. It is light,portable,easy to use and you can carry it with you anywhere. Specification: Material:Stainless Steel Technology:Fine Grinding+Premium Chip Standard: National Standard for Industrial Products Measuring Range:0-25 mm, reading value: 0.01 mm Accuracy:0.03mm Battery:1.5V Package List: 1*Electronic Caliper Note: 1. As different computers display colors differently, the color of the actual item may vary slightly from the above images. 2. Please allow 1-3mm differs due to manual measurement. .3. Please note that the new type and old type of this product will be sent randomly, and make sure you will not mind before ordering.