Technical Data:
Digital hook depth gauge
Non waterproof
Resolution: 0.01mm/0.0005in
Buttons: on/off, zero, mm/inch
Automatic power off; move the digital unit to turn on power
Battery: CR2032
Made of stainless steel
Range: 0-500mm/0-20in
Accuracy: +/-0.05mm

Dimensions:
L=585mm
d=150mm
a=8mm
b=3mm
c=15mm

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