1.[3-Level Air Comfort Indicator] Humidity meter with humidity level icon indicates DRY/COMFORT/WET air condition, allowing this humidity sensor to ensure youre always aware of changes to your home.2.[High Accuracy Quickly Refresh] Digital indoor thermometer refreshes every 10 seconds to give you lastest reading.3.[High/Low Records] Accurate hygrometer digital thermometer displays high and low temperature and humidity, always get ready to the changes of the environment4.[Smart Design] Humidity temperature gauge w, easy to read from any angle and distance. While it's portable and lightweight to take it anywhere easily, F/C Selector; Powered by 2 x AAA battery (included)5.[3 Mounting Options] Humidity meter has multiple mounting options: Tabletop Stand, Magnetic Back, Adherency Mount. With adhesive pads and built-in magnet, you can stick or place anywhere you like such as fridge, counter, living room, baby room, kitchen, basement, office, greenhouse, guitar room, office, garden and cellar