Instant reading. Top of the line. Enameled metal body with matte finished, non-glare thimble. Outside micrometer has 0-1-inch/0-25mm range. Counter reads to .00005-inch. Resolution .00005-inch/ 0.001mm. Accuracy .0001-inch/.0025mm. Large, easy to read numbers for error reduction with instant inch/millimeter conversion. Zero adjust at any position. Thimble lock for measuring like objects. Battery included. Auto off after five minutes for longer battery life. Fitted storage case. Imported.