Datalogging 3-Axis Gauss Meter w/PC Interface Display 4 digits. Max. indication 1999 w/3 Axis Band Width 30 Hz to 2000 Hz Auto Range 20/2000 milli Gauss or 2/20/200 micro Tesla Resolution 0.01/1 milli Gauss or 0.001/0.01/0.1 micro Tesla Datalogger storage 9999 manual readings