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 26119, PPS Series 2.0 Adapter, Type S27, 16 mm Male, 1.5 mm Thread, 7100135925
3M 88769, FLAP DISC HOLDER T27, 4 IN 5/8-11 INTERNAL, 7010364084
3M 26130, PPS Series 2.0 Adapter, Type S35, 16 mm Female, 1.5 mm
Thread Stretched, 7100135926
Insize 1120-300A, DIGITAL INSIDE GROOVE CALIPER, 1.18-12"/30-300mm, 6928640302244 