Feature: The micrometer uses digital display and scale display. The two modes read the data, even if it is not powered, it will not affect the use. With data holding function, easy to read data. Large LCD display, reading data is clearer and more convenient. The product has a tight lock that holds and fixes the micrometer. Supports data conversion in mm/in units, you can get data as needed. Specification: Type: Digital Micrometer Measurement range: 0-25mm Resolution: 0.001 (mm) Benchmark rod: No Required batteries: lithium-ion batteries(No-include) Multi-function button description: In/mm means: metric conversion TOL means: tolerance test, over tolerance prompt Tol up means: upper tolerance Tol down means: lower tolerance OK means: within the tolerance range (preset value) HOLD means: data retention H means: data hold status (rotation data unchanged) R/A means: absolute/relative measurement, 2 continuous measurements REL 0.000 means: relative measurement status (relative zero) + means: positive number - means: negative set RESET means: the start value is reset Package list: 1 * Micrometer 1 * Wrench 1 * Plastic box Note: The actual product color may deviate from the photo due to light. There may be a slight deviation in the measurement of product.