Features Easy-to-Read LCD Display: Enjoy clear and measurements with the bright LCD screen, featuring both metric and inch readings to suit various applications Flexible Zero Point Setting: Effortlly set the "zero point" at any position within the 0-200mm range for accurate relative distance measurements, enhancing your work Ideal for Machine Tool Assembly: ly designed for measuring and positioning during machining or assembly proces, ensuring high precision and efficiency Aluminum Alloy Construction: Crafted from high-quality aluminum alloy and plastic, this caliper offers exceptional durability and reliable measurement accuracy Remote Measurement Capability: Connect the caliper to a data line for remote measurement, streamlining your s and improving productivity across multiple machine tools Features: 1、With LCD display, the reading is easy to read, with inch, decimals, decimal system and metric readings, which can meet different needs 2、Set the "zero point" at any position within the working range to determine the relative distance, easy to operate 3、In the proc of machining or machine tool assembly, the assembly fixed on the fixture is measured and positioned 4、High？quality aluminum alloy and plastic material, fine procing and measurement data 5、Can be connected to the data line to complete the remote measurement, simplifying the 6、Suitable for lathes, milling machines, router tables, planers, table saw fences and other machine tools Specification: Item Type: Digital Display Ruler Material: Plastic and aluminum alloy Range: Approx. 0 ~ 200mm / 0 ~ 7.9in Accuracy: 0.01mm Battery Model: CR2032(not included) 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 chain to connect the power supply to use, turn on the power, pr the ZERO button to return to zero, the HOLD button to save the data unchanged, pr the ABS button to measure the relative distance, and the mm/in button can be changed Display unit Package List: 1 x Digital Display Ruler Package List 1 x Digital Display Ruler