Insize 1140-150WL, MINI DIGITAL DEPTH GAGE WITH ROUND BAR,0-6″/0-150mm, built-in wireless, 6940561934656

Resolution .0005″/0.01mm
Accuracy: ?.0015″
No waterproof
Measure depth of small groove and hole
Buttons: on/off, set, inch/mm, preset(+,-)
Automatic power off, move the digital unit to turn on power
Battery CR2032