DescriptionDelcast Electronic Digital Caliper offers instant and accurate readings of inside， outside， step， and depth measurements with accuracy of 0.001". SAE/Metric conversion switch automatically converts measurements to inches or millimeters with the simple press of a button. Adjustable thumbscrew provides tension for optimal movement of the slide and locks the jaws of the caliper in place. Includes a hard plastic storage caseFeaturesSAE/Metric conversion switchZero calibration switch Automatic On/Off Easy-to-read LCD displayDurable stainless steel constructionSpecificationsDecimal Resolution: 0.01mmPower: 1 x 1.5V button CellMeasuring Speed: < 1.5m/sDigital Scale: Millimetres， InchesManual Scales: Inch， Millimetre， Metric ISO and WhitworthWorking Temperature: 0~+40CRelative humidity: <80%Storage Temperature: --10~+60C24 bit binary codeConversion between relative and absolute measurement.Package Includes1x Digital Calipers1x Hard Carrying Case1x Instruction Manual 1x Long life batteries 1x Box