For digital calipers (range ?40″) and digital height gage
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 01323, Stikit Gold Film Disc Roll, 6 in, P400 grade, 7010299141, 75 discs per roll
ACS-CP Curved Edge Flap Disc, 4-1/2" Dia. X 5/8"-11 Center Thread, 60 Grit
3M 45021, Diamond Grade DG3 Reflective Digital Sheeting 4081UDS, Fluorescent Yellow, 24 in x 50 yd, 1 Roll/Case, 7100282401
3M 54136, Scotch-Brite Roloc AL Surface Conditioning Disc TR, 2 in x NH A MED, 7100075707, 200 per case
3M 05847, Dynamic Mixing System Nozzle for Fillers and Glazes, 50 Nozzles Per Carton, 7000119826 