This display linear ruler is a good helper for industry measuring. Having remote display, it is very convenient for you to read the data. There are five keys on remote readout, is more practical and convenient to use. Low power consumption and low radiation. It is a multi-functional digital linear scale can meet your need. Features: Vertical & horizontal beam 2-in-1 for router lift, router table, planer & table saw. Quick measure speed at 120" per second. Large crystal LCD display. Remote readout display is more convenient for reading and operation. Low power consumption and low radiation. Magnetic & clamp hardware on remote readout. Inch, fractional & metric reading. Mounting hardware included. Used to be equipped together with various industry lathes and upgrade old lathe. Specifications: Measuring : 0-150mm, 0-200mm, 0-300mm (optional) Material: aluminium alloy Resolution: 0. 01mm / 0. 0004in Accuracy: 0. 06mm / 0. 002in (0-150mm) 0. 08mm / 0. 003in (0-200mm) 0. 1mm / 0. 004in (0-300mm) Button cell battery: 1 * 3V CR2032 (not included) Package size: 355 * 70 * 40mm / 13. 98 * 2. 75 * 1. 57in (0-150mm, 0-200mm) 455 * 70 * 40mm / 17. 91 * 2. 75 * 1. 57in (0-300mm) Package weight: 300g / 10. 58oz (0-150mm) 320g / 11. 29oz (0-200mm) 360g / 12. 7oz (0-300mm) Package List: 1 * Digital Linear Scale with Remote Display 1 * User Manual