Features: Multiple Measurements: Able to measure diameter, inner diameter, step difference and depth, much more practical. Ergonomic design: Comfortable grip, labor saving and stable performance. Quality Materials: Made of premium ABS and stainless steel, lightweight and durable. Fine manufacturing: Ensures high hardness, wear resistance and high precision during use. Large LCD display: Instant results can be read in digital figures, which is much more convenient. Clear scale: With switchable units (mm/inch) for easy reading. Accurate Measurements: Rigorously tested to ensure accurate results with an accuracy of 0.04mm. One-click clear: Press to zero, then continue measuring, improving work efficiency. LR44 button battery: Easy to replace, low power consumption and long life. Specifications: Material: Stainless steel Power supply: 1 * 1.5V 160mAh LR44 button battery (included) Measuring range: 0-150mm Resolution: 0.01mm Accuracy: 0.04mm Product size: About 237*77mm / 9.33*3.03in Package size: Approx. 24*8*3cm / 9.45*3.15*1.18in Package weight: Approx. 280g / 10.19oz Packing list: 1 * Digital caliper 1 * Storage case