The electronic digital display caliper allows you to accurately measure the items in your life with simple operation. At the same time, you can read the measurement data in real time through the display. The measured values can also be converted between inches and millimeters. Features: The digital display can read the measurement result in time, and the measured values can be converted between inches and millimeters. Strong magnets at the bottom to absorb the workpiece for easy measurement. It has the followingfunctions: any position clear, inches and millimeters conversion, measurement data retention, manual and automatic shutdown. The depth measuring rod can be used for depth measurement of the slit space, and the detachable design does not take up space for easy use. Specifications: Main material: nylon Color: black Measuring range: 0-85mm / 0-3.3in Hole depth: 0-50mm / 0-2.0in Resolution: 0.01mm Accuracy: 0.2mm Button: ON/OFF, mm/inch, ZERO, HOLD Battery: 1 * CR2032 button battery, 3V (not included) Ruler holder height: 100mm / 3.9in Ruler holder width: 60mm / 2.4in Package size: 205 * 125 * 20mm / 8.1 * 4.9 * 0.8in Package weight: 106g / 3.7ounce Packing List: 1 * Digital Caliper 1 * Detachable Depth Measuring Rod