Describe Internal and external dimensions can be measured easily and accurately Linear Capacitance Measurement System Zero adjustment at any position Comes with a small locking thumbscrew that locks the jaws in place Basic measurement functions: internal and external Features a large, easy-to-read LCD display Resolution: 0.1 mm/0.01 inch Accuracy: ±0.2mm Dimensions: 245 x 80 x 12 mm Power supply: AG13 1.5V battery (battery not included) Package Included: 1x100mm digital plastic caliper (batteries not included) 【High-Quality Materials】Crafted from premium, durable materials to ensure longevity and superior performance. Each product is meticulously tested to meet high standards of quality and safety. 【Exceptional Performance】Engineered for high efficiency and effectiveness, this product delivers outstanding results every time. Its advanced features ensure consistent performance, making it a reliable choice for your needs 【Versatile Functionality】This product is multifunctional and can be used for a variety of tasks, providing you with the flexibility and convenience needed to handle multiple uses with a single tool. 【Eco-Friendly and Sustainable】Made with environmentally conscious practices, this product is eco-friendly and contributes to sustainability efforts. It is designed to minimize waste and reduce environmental impact. 【User-Friendly Design】Ergonomically designed for ease of use, this product offers intuitive controls and a comfortable grip, making it perfect for both beginners and experienced users.