Compact and convenient,easy to use. This product will make your life easier and more convenient. ・Quality Material:Made of strong plastic composites,lightweight and durable ・Ergonomically Design:Provides a comfortable grab in the hand ・Accurate Measurement:Strictly test to ensure precise results with the precision of 0.2mm ・Zero Calibration:Press to set to zero at any position and continue to measure the next section ・Unit Conversion:Easy to read in inch & mm by pressing the button. ・Large LCD Display:Instant results can be read in digital numbers,much more convenient Specifications: ・Name:IP54 Waterproof Plastic Electronic Digital Caliper ・Material:plastic ・Measuring range:0-150mm/6〃 ・Accuracy:±0.2mm ・Resolution:0.1mm ・Reading value:0.1mm ・Size:236x75x16 ・Net weight:0.15g ・Operating temperature:0-40° ・Battery model:3V button battery(included) Multiple Measuring Method: ・Outside Diameter Quickly measure any small or large objects with the sharp stainless steel jaw. ・Inside Diameter Measure inside diameter of objects quickly with top jaws. ・Depth Measurement Versatile measurement options include depth function for small objects that are hard to reach with regular rulers. ・Step Measurement The overlooked step function of the caliper allows you to utilize the back step of the caliper to measure as well. Package included: ・1 x Digital Caliper