1、Extra large LCD
2、N¡Áation
3、Double display: digital
   and electronic scale
4、Inch/Metric conversion
6、Easily calibrated by one
   button
7、Directly measure the
   actual value of workpiece
8、Easily realize the blind
   measuring by freezing
   minimum value
9、Relative measurement
   /Absolute measurement
10、Data output RS 232
11、Various measuring head
   for different size of
   bore measuring
Range：
   various measuring head
   （￠6-￠10mm、￠10-￠
   18mm、￠18-￠35mm、￠35-
   ￠50mm、￠50-￠160mm、
   ￠160-￠250mm）
Work temperature：
   +5℃～+40℃
Storage temperature：
   -10℃～+60℃
Resolution：
   0.002mm
Accuracy：
   0.012mm
Power：
   3V CR2032 Lithium
   battery