Check indoor temperature and humidity conditions at a glance (Fahrenheit or Celsius) Displays the current humidity condition to let you know if the air is humid, ideal, or dry Keeps daily high and low temperature and humidity records. For high/low records-The high and low readings displayed will always be within a minimum of 24 hours and a maximum of 36 hours Shows changes in recent conditions using trend arrows for temperature and humidity International products have separate terms, are sold from abroad and may differ from local products, including fit, age ratings, and language of product, labeling or instructions.