Resolution .0005″/0.01mm.
Built-in wireless data transfer module, zigbee signal
Transfer distance is 20ft
Buttons: on/off, zero, mm/inch, data transfer
Automatic power off, move the digital unit to turn on power
Battery CR2032
Made of stainless steel

Insize 6140, DEPTH BASE ATTACHMENT, suitable for calipers with beam width (w) .630", 6928640303579 