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

3M 5681, Disc Pad Holder 915, 5 in x 1/8 in x 3/8 in M14-2.0 Internal, 7000028500
Standard Abrasives 701149, PSA A/O Disc, 1 in x NH, 240, 7010370103
3M 02140, Fibre Disc Backup Pad, TN Quick Change , 4-1/2 in x 5/8-11 Internal, 7000045746 
