digital micron indicator

1.manual/auto power off
2.preplace started position value,without reset before change the battery
3.counting converse
4.mm/in conversion
5.absolute and relative measurement
6.set zero at any position
7.TOL value setting
8.auto distinguish windage state
9.high-speed tracking maximum/minimum/extremum
10.run-out detector
11.number and finger simulate display
12. with data output