Vibration Meter,720mm/sec Velocity Range (F) 32 Degrees to 122 Degrees , Temp. Range (C) 0 Degrees to 50 Degrees , Velocity 720mm/sec, Bearing/Gear Check Yes, +/-5 Percent Accuracy, No Data Hold, Display Integrated, Interface USB, Auto Power Off Yes, Special Features (4) Station Monitoring Interface, Calibration Certificate Yes, Manufacturers Warranty Length 3 yr.