Insize 1144-5001AWL, DIGITAL DOUBLE HOOK DEPTH GAGE, 0-20″/0-500mm, wireless, 6940561952230

Resolution: .0005″/0.01mm.
Buttons: on/off, zero, inch/mm.
Automatic power off, move the digital unit to turn on power.
Battery CR2032. Data output.
Made of stainless steel.
Optional accessory: data output cable.