Features:Measuring range: 0-150mmSize:50mm,100mm,150mmMaterial: plasticDisplay: SUPER LARGE LCD display.Measuring system: Linear capacitive measuring system.Internal, external and height dimensions can be easily and accurately meausuredBase measuring function: Inside, outside,depth and step measuringZero setting at any position within measuring rangeWith a small locking thumb screw which locks the jaws in placeHandy conversion chart at the backPush button switch from metric to inch measurementResolution:0.1mmPackage Inludes:1 x Digital Caliper(without battery)