Digital Electronic Micrometer --- It is a professional tool with ultra-precise measurement and a clear and easy-to-read LCD display. It is equipped with an adjustment wrench, an instruction manual and a backup battery also with a protective cover. A Variety of Powerful Functions --- It has absolute/relative measurement, metric/inch conversion function. With a resolution of 0.001 mm and an accuracy of 0.002 mm. Intelligent Design --- After five minutes, the screen will automatically turn off if there is no operation. With data retention and deletion function. Ratchet Force Measuring Device --- The auxiliary measuring wheel can constantly measure the contact force of the probe to avoid pressure error. The reinforced and molded spindle with carbide anvil ensures durability and accuracy. Durable Processed Stainless Steel Probe --- It adopts sintered stainless steel hard treatment, which can resist wear for a long time. Function: Metric conversion, zero setting at any position, origin setting, data retention Data output function Carbide probe Battery life more than one year Fast response, no overspeed No power-on crash occurs Specification: Material: ABS Acrylonitrile Butadiene Styrene plastic + stainless steel Range: 0-25mm Acurracy: 0.001mm / 0.00005" Accuracy: 0.002mm / 0.0001" Operating temperature: 0 ~ + 40 Storage temperature: -20 ~ + 70 Influence of humidity: no influence within relative humidity 80% Power supply: button battery Product color: gray Number of delivered parts: 1 piece Package included: 1 x Electronic Digital Micrometer