Description:Made of strong Plastic carbon fiber compositesTwo way measurement、 internal and externalLinear capacitive measuring systemZero setting in any positionWith easy to read large LCD displayMinimum scale to read is 01.mm / 0.01 inchAn ideal tool for a broad range of industrial and automotive applicationsSpecifications:Measuring Range: 0-150 mm / 0-6 inchResolution: 0.1 mm / 0.01 inchRepeatability: 0.1 mm / 0.01 inchMaximum Measuring Speed: 1.5 m / sec or 60 inch / secDisplay: LCD screenPower: LR44/AG13/SR44 1.5VTotal size: 245*80*15mmLCD display size: 62*30*15mmNo included batteryPackage included:1x Electronic Digital Caliper