Air Comfort Indicator: The TP50W comes with humidity level icon indicates air condition -- DRY/COMFORT/WET, helping you to always stay aware of changes to your home/household with just a quick glance. High Accuracy & Fast Refresh Rate:  This Indoor thermometer has industrial grade accuracy of ±2~3%RH and ±1°F, making it more than capable for measuring fluctuating readings like in a greenhouse; Data measurements are updated every 10 seconds to give you latest changes of the environment High & Low Records:  The TP50W digital hygrometer thermometer keeps track of daily data and displays high and low temperature & humidity; Helping you to always get ready to the changes of the environment. Healthier Home & Environment: The TP50W can help you control indoor temperature and humidity, which has important skin, allergy and other health benefits; Can also be as refrigerator thermometer, freezer thermometer, reptile thermometer, soil thermometer, humidor hygrometer, cigar hygrometer and more. Smart Design: This unit features a tabletop stand to place the temperature monitor on your counter or use the magnetic back to attach to a fridge