Come and see our amazing products. Measurement range: 0 - 6"/ 0 - 150mm; Resolution: 0.01"/ 0.1mm; Accuracy: 0.2mm/0.01". Perfect and accurate caliper measuring tool for household, factory and DIY measurement. It can be used to measure inner and outer diameter, depth and step with two sets of jaws and a probe. Powered by a pre-installed battery and a spare battery. One button quick switch between two units: inch and millimeter. Set zero with an easy touch of a button and start a new measurement at any point of the scale, ideal for differential measuring. The large and easy-to-read LCD display helps you get precise results quickly and easily, auto shutdown for saving battery after 5 minutes if without operation. Pls confirm further with us if any query about packing info, inventory status and time schedule.