1.Perfect functional design: a large LCD display screen shows all the information including temperature, humidity,comfort level 2.Air Comfort Indicator: This Digital Thermometer hygrometer shows the comfort level of your home, based on current temperature and humidity level, always be aware of your home conditions 3.Temperature and Humidity stores and displays MAX & MIN humidity and temperature records 4.Multiple mounting options: Tabletop, wall-mountable allowing you to conveniently attach or place your thermometer hygrometer wherever you desire; Powered by 1*AAA battery (not included) 5.Indoor thermometer humidity gauge ensures proper temperature and humidity control, which has important skin, allergen and other health benefits, can be placed in baby room, home, nursery, hatchery cellar, basement, warehouse and greenhouse