Feature:1. Data output, easy to read LCD display, there are inch, decimal, decimalism and readings2. Can connect to the data line to complete remote measurement, simplifying operation, very practical3. Great aluminum alloy and plastic material, fine processing, accurate measurement data4. The assembly fixed on the fixture can be successfully measured and positioned in the process of machining or machine tool assembly5. Set the "zero point" at any position within the working range to determine the relative distance, easy to operateHow 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 HOLD button to save the data unchanged, press the ABS button to measure the relative distance, and the mm/in button can change display unit.Specification:Item Type: Vernier CaliperMaterial: Plastic/aluminum alloyRange: Approx. 0 ~ 200mm / 0 ~ 7.9inAccuracy: 0.01mmBattery Model: CR2032(not included)Battery Voltage: 3VType: FixedOther 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. Package List:1 x Vernier Caliper