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

Insize THT-A104T-U, TEMPERATURE AND HUMIDITY TESTER, 27.56_33.46_27.56", 6974029771491 