For digital indicators, digital thickness gages and digital internal/external caliper gages
Through wireless transmission, the measurement data can be transmitted to computers or mobile phones
For windows and android systems
Wireless zigbee protocol, conforming to IEEE802, 2.4GHz band
Transmission distance is 49ft (Under the condition of no obstruction and no electromagnetic interference. The transmission distance of built-in wireless measuring tools can be found in their respective introduction.)

3M 04305, Scotch-Brite Surface Conditioning Disc, SC-DH, A/O Very Fine, 7 in x NH, 7100094539
Dynabrade 40320 Dynafile II Abrasive Belt Tool
3M 03156, Conditioning Abrasive Disc, 2 in, Medium Grit, 7100152678, 10 discs per pack
3M 55888, Rugged Comfort 6583 / 55888 Exhalation Valve, System Component, 7000128253, 10 EA/Bag 