Features: Made of carbon fiber reinforced plastic, wear resistant and does no damage to the measured items. Digital LCD display, clear to read. Built in with a LR44 button cell for strong endurance. With 0-150mm measuring range and 0.1mm high accuracy; one button easy to switch between mm and inch. Multifunction and easy-to-use, just slide to measuring length, outer diameter, inner diameter, depth, step difference, etc. Comes with a plastic storage box, lightweight and portable to carry. Widely used in household, jewelry industry, antique industry and more. Specifications: Main Color: Black & Silver Main Material: ABS Measuring Range: 0-150mm Accuracy: 0.1mm Built-in Battery: 1.5V LR44 Button Cell Item Size: 23.7 * 7.5cm / 9.33 * 2.95in Package Size: 27.5 * 9 * 2.2cm / 10.83 * 3.54 * 0.87in Package Weight: 100g / 3.53oz Package List: 1 * Vernier Caliper