Precise measurement: Measuring range: 0 - 6/ 0 - 150mm; Resolution: 0.01/0.1mm; Accuracy: 0.2mm/0.01. The perfect and accurate caliper measuring tool for home/DIY measurements. Please choose stainless steel digital caliper for more accurate measurement4 Measurement Modes: This digital caliper can be used to measure inner and outer diameters, depths and steps, with two sets of jaws and a probe. Batteries powered by pre-installed and spare batteriesInch/mm conversion: One-click quick switch between inch and millimeter units, definitely saving your time. Made of strong plastic carbon fiber composite material, durable and portableZero function: Smart design allows you to zero the scale and start a new measurement at any point on the scale at the touch of a button, ideal for differential measurementsLarge LCD Screen and Auto Power Off: Large, easy-to-read LCD display helps you get accurate results quickly and easily, and automatically shuts off after 5 minutes to save battery powerProduct color: black whiteProduct size: 247.61.6cmShipping Quantity: 1 Piece(without battery)