Original Easson metal shell ES-8A 3axis digital display readout DRO for lathe milling grinder wiring cutting machine. Package includes 1 PCS X ES-8A 3 axis DRO, DRO arm, screw bag, power cable, manual Features of Easson DRO Membrane Seal diaphragm touch keys (Water/Coolant/Dust Proof) Die-Cast Aluminum Casing Power Supply Voltage: AC 100V 230 V, 50 Hz 60 Hz (Automatic Detection) Power Consumption: 25VA Input signal: TTL square wave. Input signal frequency: >100KHz Basic functions of Easson Mill and Lathe DRO clear zero centering(1/2) in/mm display abs/inc power off memory 199 subdatum ref memory Advanced Functions of Easson Mill DRO built in calculator PCD pitch circle diameter LHOLE line hole positioning INCL inclined machining SHRINK shrinkage calculation R function (simple R and smooth R) Linear error compensation Advanced Functions of Easson Lathe DRO Linear error compensation XZ axes summation It includes a ES-8 serial readout, user’s manual and all the other accessories for installation will also be include in the package.