Features: Digital readout allows precise and repeatable adjustments. This digital readout kit can be installed on a variety of woodworking and metalworking machines allowing conversion to digital readout. Remote readout display convenient for reading and operation. Quick response speed of 3 m/s, no overspeed error occurred. It is used to be equipped together with various industry lathes and upgrade old lathe. Specifications: Material: Aluminum alloy Color: Black Measuring range: 0-200 (mm) Accuracy: 0.08 Division value: 0.001mm Battery: 2 x 3V CR2032 button battery (NOT included) Weight: Approx. 325g Package included: 1 x Digital readout kit (battery not included) 1 set x Install fittings Note: Please note that the new type and old type of this product will be sent randomly, and make sure you will not mind before ordering.