Technical Data:
Mini digital depth gauge with round bar
Non waterproof
Measure depth of small groove and hole
Resolution: 0.01mm/0.0005in
Buttons: on/off, set, mm/inch, preset (+, -)
Automatic power off; move the digital unit to turn on power
Battery: CR2032
Made of stainless steel
Range: 0-50mm/0-2in
Accuracy: +/-0.02mm

Dimensions:
L=140mm
h=20mm
Measuring bar dia.=1.6mm
Drawing dimensions=65mm; 16mm; 7mm

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