Technical Data:
Digital inside point calipers
Non waterproof
Measure groove diameter
Resolution: 0.01mm/0.0005in
Buttons type A: on/off, set, mm/inch, preset (+, -)
Buttons type B: on/off, zero, mm/inch
Automatic power off, move the digital unit to turn on power
Battery: CR2032
Data output
Made of stainless steel
Optional accessory: depth stop 6143 for calipers with c=16mm
Range: 40-500mm/1.57-20in
Type: A
Accuracy: +/-0.07mm

Dimensions:
L=680mm
a=5mm
b=20mm
c=24mm
d=90mm
D=dia.3mm

Remark:
Preset; no need to add the width of the jaws on the reading
Built-in wireless; receiver code 7315-2/3/6/7/8/9 is needed