Features USER-FRIENDLY LCD DISPLAY --- Equipped with a clear, easy-to-read LCD screen, this digital caliper gauge offers measurements in inches, decimal values, making it suitable for a wide range of use scenarios. CUSTOM ZERO POINT SETTING --- This digital caliper gauge makes it easy to set the ‘zero point’ anywhere within the working range for precise relative distance measurements with ease. A VERY USEFUL TOOL FOR ACCURATE WORK --- This digital caliper gauge is ideal for machining and machine tool assembly, and fixture assembly allows for accurate measurement and positioning throughout the process. STURDY CONSTRUCTION --- Constructed from high-quality aluminium alloy and plastic, this digital caliper gauge ensures dependable performance and accurate measurements you can count on. SIMPLIFIED REMOTE MEASUREMENT --- This digital caliper gauge connects easily with a data cable for remote measurement capabilities, increasing operational efficiency and ease of use. Spec: Item Type: Vernier Caliper Material: Plastic/aluminum alloy Range: Approx. 0 ~ 100mm / 0 ~ 3.9in Accuracy: 0.01 Battery Model: CR2032 Battery Voltage: 3V Type: Fixed Other Functions: Remote data transmission (transmission port attached to the sensor) Uses: Suitable for lathes, milling machines, router tables, planers, table saw fences and other machine tools. Use it to equip and upgrade old lathes and various industrial lathes. How to Use: Load the battery or connect the power supply to use, turn on the power, press the ZERO button to return to zero, the mm/in button can change display unit. PackageList: 1 x Vernier Caliper 1 x Battery Compartment Pullout Package List 1 x Vernier Caliper 1 x Battery Compartment Pullout