For digital micrometers
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.)

Insize PHT-C751, PENCIL HARDNESS TESTER, 6974029779862
3M 14197, Roloc Disc Pad TP, Medium 2 in 1/4-20 Internal, 7000119311
3M 26024, PPS Series 2.0 Spray Cup System Kit, Large (28 fl oz, 850mL), 200 Micron Filter, 7100134650 