Air Comfort Indicator: This weather station humidity meter with humidity level icon indicates air conditions - DRY/COMFORT/WET, allowing this humidity sensor to ensure you’re always aware of changes to your home/household with just a quick glance | High Accuracy & Quick Refresh Rate: This inside thermometer features a high accuracy of +/-2 to 3%RH and +/-1°F, making it ideal for measuring fluctuating readings like those found in a greenhouse; Data measurements are updated every 10 seconds to give you the latest updates on your environment | High & Low Records: This hygrometer digital thermometer displays high/low temperature and humidity levels to allow you to make proper comparisons using your home’s data | Healthier Home & Environment: This thermometer hygrometer with temperature and humidity monitor ensures proper indoor humidity that achieves important health benefits for skin and allergen; Can also serve as a refrigerator thermometer, freezer thermometer, reptile thermometer, soil thermometer, humidor hygrometer, cigar hygrometer, and more | Multiple Placement Options: This humidistat has 3 placement options - Tabletop Stand / Magnetic Back / Hanging Mount, place the wall thermometer anywhere you wish such as living room, baby room, kitchen, greenhouse, guitar room, office or cellar