Feature:1. With LCD display, the reading is easy to read, with inch, decimals, decimal system and metric readings, which can meet different needs2. Set the "zero point" at any position within the working range to determine the relative distance, easy to operate3. In the process of machining or machine tool assembly, the assembly fixed on the fixture is measured and positioned4. High‑quality aluminum alloy and plastic material, fine processing and precise measurement data5. Can be connected to the data line to complete the remote measurement, simplifying the operationSpecification:Item Type: Digital Display RulerMaterial: Plastic and 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 lathesHow to Use: Load the battery or chain to 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 be changed Display unit Package List:1 x Digital Display Ruler