Bearing Checker With Built-In Probe, Acceleration Range -9 to dBsv, Frequency Range (Hz) -9 to 90, Temp. Range (F) 14 Degrees to 122 Degrees , Temp. Range (C) -10 Degrees to 50 Degrees , Bearing/Gear Check Yes, 3 Percent Accuracy, Yes Data Hold, Display LCD, Interface Excel, Auto Power Off Yes, Special Features Built-In Stethoscope, Rechargeable Li-Ion, Calibration Certificate No, Includes Charging Cable, Mini B USB to 3.5mm Stereo Jack Adapter, Manufacturers Warranty Length 1 yr