Large easy-to-read digital LCD display, Bezel (control panel) rotates 360°, Dual readings in inch and millimeter with an electronic display, Simple one button calibration procedure, Output jack allows data transmission, Data output can be used by a variety of peripherals for analysis, data collection and hard copy documentation - data output RS232, 1456-0000 Includes > shaft and 2" - 6" measuring head, various extension posts, spacers, 2" extension, 2 3V CR2032 lithium batteries, hard case, instruction manual.