1、Ideal for a broad range of industrial and automotive applications. They are essential to any construction project that needs those measurements between two objects. A caliper is going to be a professional’s best tool 2、Internal, external and height dimensions can be easily and accurately meausured 3、Zero setting at any position within measuring range. From engineering to carpentry and even scientific fields, a caliper finds itself to be needed in many different professions. 4、With a small locking thumb screw which locks the jaws in place 5、Handy conversion chart at the back. With the advent of technology, we find digital calipers more available than ever. Description: Measuring range: 0‑200mm(8 inch) Ideal for a broad range of industrial and automotive applications Material: stainless steel & plastic Display: SUPER LARGE LCD display. Measuring system: Linear capacitive measuring system. Internal, external and height dimensions can be easily and accurately meausured Base measuring function: Inside, outside,depth and step measuring Zero setting at any position within measuring range With a small locking thumb screw which locks the jaws in place Handy conversion chart at the back Resolution:0.01mm/0.0005 inch Repeatability:0.01mm/0.0005 inch Package Inludes: 1 x Digital Caliper 1 x User Manual including Hard Case Need battery,one LR44 battery(not included) Note:1. LCD Display will work as soon as you slide Caliper.It's not product quality problem.Hope you can understand! 2. 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.