1.Metric/Inch conversion 2.Date output,Date hold 3.Relative/Absolute Measuring 4.Tolerance Setting,Negative Setting Micrometer :CR-Q220251.Metric/Inch conversion2.Date output,Date hold 3.Relative/Absolute Measuring4.Tolerance Setting,Negative Setting, Positive Setting , Origin resetting5.new design,high quality ,low priceOther same series models as below: electronic digital micrometer