Features Varied Functions: Moreover, the micrometer tool comes with large screen, Metric and Imperial units and resetting function, simple to use. Smart Micrometer: From 0 to 25mm, the digital micrometer with wide measurement range will quickly test out the thickness of your material. With Good Design: Designed to have ratchet structure and cemented carbide test head, the micrometer has high accuracy and little error. RS232 SPC Output: Supports RS232 SPC output, the measuring micrometer can connect to your computer and export data, cable is not included. Wide Application: Allows for wide application on the measurement in manufacturing, mechanical processing, mechanical engineering and so on. Specification: Item Type: Digital Micrometer Battery: 2 x 3V button battery CR2032, 150mAh, shipped with matching battery. Specification: Approx. 0 ~ 25mm / 0 ~ 0.98in Measurement Surface Flatness: Approx. 0.3mm / 0.01in Measurement Surface Parallelism: Approx. 1.5mm / 0.06in Resolution: 0.001mm Accuracy: 0.003mm Force Measurement: 4-7N Waterproof Grade: IP65 Reading: Electronic LCD digital display screen. Unit: Metric and Imperial units.  Package List: 1 x Digital Micrometer 1 x S Wrench 2 x Button Battery 1 x Cover 1 x Storage Box Package List 1 x Digital Micrometer 1 x S Wrench 2 x Button Battery 1 x Cover 1 x Storage Box