Compact and practical, easy to use. This product will make your life easier and more convenient. Features: Quality material: Made from strong, lightweight and durable plastic composites. Ergonomic design: provides comfortable grip in the hand. Accurate measurement: test strictly to ensure precise results with an accuracy of 0.2 mm. Zero calibration: Press to set zero at any position and continue measuring the next section. Unit Conversion: Easy to read in inches & mm by pressing the button. Large LCD display: instant results can be read in digital figures, much more convenient. Specifications: Name: IP54 waterproof plastic electronic digital caliper Material: plastic Measuring range: 0-150mm / 6 Accuracy: & moremn; 0.2 mm Resolution: 0.1 mm Reading value: 0.1mm Size: 236x75x16 Net weight: 0.15 g Operating temperature: 0-40 Battery model: 3v button battery (included) Multiple measuring method: Outer diameter Quickly measure any small or large objects with the jaw sharp stainless steel blade. Inside Diameter Quickly measure the inside diameter of objects with the superior jaws. Depth Measuring Versatile measuring options include the depth function for small, hard-to-reach objects with ordinary rulers. Step measurement The neglected step function of the caliper also allows you to use the back step of the caliper to measure. Packing list: 1 pcs * digital caliper