4 Measurement Modes: This Digital Caliper Can Be Used To Measure Inside And Outside Diameter, Depth And Pitch With Two Sets Of Jaws And One Probe. Battery Powered, Comes With Pre-Installed Battery And Spare Battery.Precise Measurement: Measuring Range: 0-150Mm; Resolution: 0.1Mm; Accuracy: 0.2Mm. Perfect And Accurate Measuring Tool For Home Or Diy.Inch/Mm Conversion: One Button Switch Quickly Between Two Units: Inch And Millimeter, Saving You Time. Made Of Sturdy, Durable And Portable Carbon Fiber Composite Plastic.Zero Adjustment Function: The Smart Design Allows You To Set Zero With The Push Of A Button And Start A Measurement At Any Point Of The Scale, Ideal For Differential Measurements.Large Lcd Display And Auto Shut-Off: The Large, Easy-To-Read Lcd Display Helps You Get Accurate Results Quickly And Easily, Auto-Shut Off To Save Battery Power After 5 Minutes It Is Not Used.