Electronic Internal Caliper Gage Features include... 0.39" - 1.18" / 10-30mm Measuring Range 0.0005" / 0.01mm Resolution 0.001" / 0.05mm Accuracy 0.200" Tip Height 0.059" Tip Width 3.3" Measuring Depth LCD Analog / Digital Display IP63 Rated Protection Function Include... Zeroset Preset Auto Power Off In / Metric Conversion Data Hold Min / Max Value Hold