Features: Multiple Measurements: Capable of measuring 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 Workmanship: Ensures high hardness, wear resistance, and high accuracy during use. Large LCD Display: Instant results can be read in digital numbers, much more practical. Clear Scale: With switchable units (mm / inch) for easy reading. Accurate Measurements: Rigorously tested to ensure accurate results with an accuracy of ±0.04 mm. One-Click Clear: Press to zero, then continue measuring, improving the efficiency of the work. LR44 Button Battery: Easy to replace, low power consumption and long service 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: Approx. 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