Technical Data:
Digital centerline and edge to center calipers
Measure hole center distance or edge to hole center distance
Non waterproof
Resolution: 0.01mm/0.0005in
Automatic power off, move the digital unit to turn on power
Battery: CR2032
Made of stainless steel
Buttons: on/off, set, mm/inch, preset (+, -)
Range of upper jaw (edge to center): 10-500mm/0.4-20in
Range of lower jaw (center to center): 20-500mm/0.8-20in
Accuracy: +/-0.09mm

Dimensions:
D=20mm
L1=50mm
L2=60mm
c=24mm
L=690mm

Remark:
Built-in wireless; receiver code 7315-2/3/6/7/8/9 is needed