Features Plastic Carbon Fiber Material: The ruler body is constructed from high-quality plastic carbon fiber, providing a comfortable grip and measurements, ensuring long-lasting durability. LED Liquid Crystal Display: Equipped with an LED liquid crystal display, this caliper offers faster response times and enhanced accuracy, making it ideal for professional use. Stable 1.5V Battery: Powered by a stable 1.5V battery, this caliper ensures long-term reliability and durability, offering a prolonged service life for uninterrupted use. Magnetic Stripe Film Scale: The ruler features a magnetic stripe film scale process, delivering and accurate readings for measurements in various applications. Convenient Measurement Range: With a measuring range of 0-100mm and a storage box for portability, this digital caliper is convenient for a wide range of measurement tasks. Features: 1、The ruler body is made of all？plastic carbon fiber material, with a comfortable feel and accurate testing 2、The caliper has LED liquid crystal display, the response is faster and more accurate 3、The product uses 1.5v battery which is more stable and , long service life 4、The ruler adopts magnetic stripe film scale process, which can provide accurate readings 5、The measuring range is 0？100mm,with a storage box which is convenient to carry Specification: Item Type: Digital Caliper Material: Full Plastic Carbon Fiber Scale Process: Magnetic stripe film Display: LCD display Range: Approx. 0 ~ 100mm / 0 ~ 3.9in Unit: mm/in Resolution: Approx. 0.1mm Accuracy: Approx. ±0.1mm Battery Model: LR44 1.5V, 165mAH Package List: 1 x Caliper 1 x Battery 1 x Plastic Box Package List 1 x Caliper 1 x Battery 1 x Plastic Box