Any serious backcountry traveler should be checking all signs for snow stability, including snow temperature with the Backcountry Access Calibratable Digital snow thermometer. Knowing the temperature gradient of the snowpack provides clues for predicting snow stability. Thermometer can be calibrated for accuracy. Temperature is digitally displayed in either Fahrenheit or Celsius measures temperature from -58degF to 392degF -50degC to 200degC. Battery included.