Features three measuring modes with a one button quick change to alter between inch, fraction and millimeter.Ultimate accuracy and precision. Measurement Range: 0 to 6 inches and 0 to 150mm. Accuracy: +/- 0.03mm. Resolution: 0.01mm/0.0005.Finely polished stainless steel frame to ensure accurate positioning and smooth sliding when being used.Equipped with two sets of jaws and a probe and is ideal for measuring inside, outside, depth and step.Extra large 2.2 LCD screen for clear, easy reading and visibility. Supplied with a durable plastic storage case, mini screwdriver to adjust the caliper tightness for smooth sliding, one battery and one extra replacement CR2032 battery.