Air Comfort IndicatorHumidity meter with humidity level icon indicates air condition -- DRY/COMFORT/WET, allowing this humidity sensor to ensure youre always aware of changes to your home/household with just a quick glanceHigh Accuracy and Quickly RefreshInside thermometer has high accuracy of 2~3%RH and 1F, making it ideal for measuring fluctuating readings like in a greenhouse; Data measurements are updated every 10 seconds to give you lastest changes of the environmentHigh Low RecordsAccurate hygrometer digital thermometer displays high and low temperature humidity, always get ready to the changes of the environmentHealthier Home EnvironmentThermometer hygrometer with temperature and humidity monitor ensures proper indoor humidity control has important skin, allergen and other health benefits; Can also be as refrigerator thermometer, freezer thermometer, reptile thermometer, soil thermometer, humidor hygrometer, cigar hygrometer and moreSmart DesignIndoor room thermometer features a tabletop stand to place the temperature monitor on your counter or use the magnetic back to attach to a fridge; F/C Selector; Powered by 1 x AAA battery (included)