An all-in-one digital indoor home thermometer and humidity gauge, the AcuRite 00613 Indoor Humidity Monitor gives you a full picture of your indoor world. With an easy-to-read, at-a-glance display, you may access both humidity monitoring and accurate room temperature as the need arises. Features: • Indoor hygrometer (%RH) • Indoor temp gauge (degrees Fahrenheit and Celsius) • Humidity Level Icon indicates high, low, or ideal indoor conditions • Daily high and low temperature and humidity records • Flat stand, clip, and magnet options (for mounting on a tabletop, vertical surface, or metal element such as a refrigerator) Why an indoor air monitor? Using a temperature monitor and humidity meter will allow you to ensure proper indoor humidity. This can yield important skin, allergen, and other health benefits: • Too much humidity can encourage the growth of mold, bacteria, viruses, fungi, mites, and other asthma-inducing agents • Overly dry air can lead to nose irritation, skin irritation, breathing difficulty, and damaging static electricity • Correct humidity can encourage plant growth and assists with the comfort and health of pets • Use this digital hygrometer to monitor a grow room in any location • This humidistat, optical thermometer will help you improve your home environment through the power of knowing temperature and humidity.