Measuring range: wide measuring range of 0 to 25 mm (1") and resolution of 0.001 mm (0.00005"). Shaft diameter: 6.5 mm, hardened stainless steel. LCD display: LCD electronic digital display, easy to read. 3V button battery: large capacity CR2032 lithium battery, durable and safe. Uses: mm to inch conversion, zeroing for each measurement, incremental or absolute measurements. Electronic Micrometer Micrometer Wall Thickness Micrometer Digital Micrometer 0-25mm 0.001MMMeasuring range: wide measuring range of 0-25mm (1") and resolution of 0.001mm ( 0.00005").Shank diameter: 6.5mm, hardened stainless steel.LCD display: LCD electronic digital display, easy to read.3V button battery: large capacity CR2032 lithium battery, durable and safe.Uses: mm to inch conversion, zeroing for each measurement, incremental or absolute measurements.instruct:OnOff...Set: switch and adjustment button.Short press the button to turn the machine on and off, and long press the button to reset to "0,25,50,75".Hold down the key to display several alternating zero values.If any zeros are displayed, release the button.The zero value is the value currently displayed.Reset: press the button.Data are standard starting values ( 0.25, 50.75).ABS...in mm/inch: relative and absolute conversions, metric and inch conversions.Short press this key to convert.Features:Large LCD screen, clear image.Hard metal probe, durable.The device can measure correlated and relative measurements.Automatic shutdown after 5 minutes.Temperature and humidityOperating temperature: 0-40°CWorking humidity: <=80%Comment:Be careful of sharp edges to avoid injury.Please wipe the probe before use to ensure that there is no dirt, otherwise it will affect the accuracyContents:1 electronic micrometer1 CR2032 battery.1 user manual.1 storage boxNote: The data are all manual measurements, if itPlease allow 1-3cm error; due to the difference in light and display, there would be some color difference, please refer to the actual object received.