AIR COMFORT INDICATOR: This hygrometer with humidity level icon indicates air conditions, dry comfortable wet, let this humidity sensor ensure you stay informed of changes in your home with just a quick glance High Accuracy and Fast Refresh Rate: This internal thermometer has high accuracy, making it ideal for measuring fluctuating readings in your greenhouse; data measurements are updated every 10 seconds, giving you the latest updates on your environment HIGH AND LOW RECORDING: This hygrometer digital thermometer displays high and low temperature and humidity levels so you can make proper comparisons using your home data HEALTHIER HOME & ENVIRONMENT: This thermometer hygrometer with temperature and humidity monitor ensures proper indoor humidity, resulting in important health benefits for skin and allergens; also works as a refrigerator thermometer, freezer thermometer,crawler thermometer Animal thermometer, soil thermometer, cigar hygrometer, cigar hygrometer, etc. PRACTICAL DESIGN: This room thermometer features a desktop stand and magnetic back to place the temperature monitor on a counter or refrigerator; F/C selector; Powered by AAA batteries (not included)