THIS MITUTOYO 552-314-10 IS A DIGITAL CALIPER WITH A RANGE OF 0-40 IN / 0-1000MM AND AN ACCURACY OF +/- 0.002 IN. IT FEATURES INCH/METRIC DIMENSION TYPES AND A RESOLUTION OF 0.0005 IN/0.01 MM. THE CALIPER HAS A JAW DEPTH OF 5 7/8 IN AND INCLUDES SPC OUTPUT CAPABILITY. IT MEASURES INSIDE DIMENSIONS BUT DOES NOT MEASURE OUTSIDE DIMENSIONS OR DEPTH. THE REQUIRED BATTERY SIZE IS SR44.