SPECIFICATIONSAccuracy: 0.01mmBrand Name: NoEnName_NullCaliper Type: Digital CalipersCertification: CEChoice: yesDIY Supplies: ELECTRICALHign-concerned Chemical: NoneMaterial: PlasticMeasurement Range: 0-150mmModel Number: 100mm-150mmOrigin: Mainland China Note: no battery include in shipping due to airport shipping rules   Internal and external dimensions can be easily and accurately measured Linear capacitive measuring system   Zero setting in any position   With a small locking thumb screw which locks the jaws in place   Base measuring function: Inside, outside   With easy to read large LCD display   Resolution: 0.1mm/0.01inch   Accuracy: ±0.2mm   size:245 x 80 x 12mm   power:AG13 1.5V cell battery(Battery NOT Included)   weight:53g   Package include:   1x100mmDigitalPlastic Caliper(Battery NOT Included) OR 1x150mmBlack DigitalPlastic Caliper(Battery NO TIncluded)