Features:This digital readout kit can be installed on a variety of woodworking metalworking machines allowing conversion to digital readout.Remote readout display convenient for reading operation.The design is novel has strong anti-interference ability.Quick response speed of 3m\/s, no overspeed error occurred.The display has a magnet on the back, which can be attached to the iron is more convenient to use.It is used to be equipped together with various industry lathes upgrade old lathe. Specifications:Measuring range: 0-150 (mm)Accuracy: 0.06Size: as the pictureBattery: 2 3V CR2032 button battery (not included)Weight: 313gDetail:ABS: relative measurement absolute measurement conversionMm\/in:Metric imperial stard conversionZero:Data resetSet: In the imperial stard measurement state, each time the button is pressed, the resolution of the fraction part is switched between 1\/32,1\/64,1\/128.Package included:1 x Digital readout kit(battery not included)1 set x Install fittings