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 35083, EMI Copper Foil Shielding Tape 1181, 1/4 in x 18 yd (6,35 mm x 16,5 m), 7000132168
Dynabrade 92209 1/8" W x 12" L 220 Grit A/O DynaCut Belt, 50/pack
Insize 0010-A35, SOUND LEVEL METER, 35dB~130dB, 6974029777004
3M 97419, Aluminum Foil Tape 3380, Silver, 48 mm x 45 m, 3.25 mil, 7000049613 