Built-in wireless transmission, ZigBee signal
Linear ball bearings for ten million times use
Absolute encoder, the original data remains after power off
Reading in digit and analog.
Button function: data output, tolerance, data preset, data hold, measuring direction change, max. /min./TIR, power off time, on/off, mm/inch, adjust resolution
Power: rechargeable battery, for 24 hours continuous working
Optional accessary: contact points, foot switch, wireless receiver

3M 65491, Pro Grade Precision Ultra Durable Universal Hole Sanding Disc DUH5220TRI-10I, 5 inch UH, 220, 7100202878, 10 per pack
3M 27255, Ultra Durable 5 inch Power Sanding Discs, Universal Hole, 320 grit, 7100188452, 5 per pack
Dynabrade 95746 3/8" NPT Speed Regulator
Dynabrade 94960 1/4" Composite-Style Coupler, 1/4" Female
Standard Abrasives 702309, A/O Straight Cartridge Roll, 1/4 in x 1 in x 1/8 in 240, 7100080029
3M 26583, Accuspray Refill Pack for PPS Series 2.0, Green, 1.3 mm, 7100152953
3M 16066, PPS Mix Ratio Inserts, Mini (6 fl oz), 7000120511
3M 25774, Scotch-Brite Roloc Surface Conditioning Disc, TSM, 1-1/2 in x NH A MED, 7100014112, 200 per case
3M 65749, Detector Loop Sealant 5000, 1 Liter, 3M 7000056794, 12 per case
Dynabrade 15420 Dynafile III Abrasive Belt Tool
3M 10119, Synthetic Steel Wool Pad 10119NA, 0000 Super Fine, 7000126181
3M 22394, Roloc Disc 361F, 50 YF-weight, TR, 3 in, Die R300V, 7000045096
3M™ 72013, Adapter 529-04-50, 110-120 VAC, 7000131705, 1 EA/Case
3M 03738, Scotch-Brite Cut and Polish Unitized Wheel, CP-UW, 7A Medium, 3 in x 3/4 in x 3/8 in, 7010364917
3M 99633, Scotch-Weld Pressure Fit/High Temperature Retaining Compound RT48, Green, 250 mL Bottle, 7100170130, 2/case
3M 14725, Foam and Fabric Spray Adhesive 24, Orange, 16 fl oz Can (Net Wt 13.8 oz), 7100179450, 12/Case 