1.High Accuracy and Wide RangeLarge LCD display with simple and clear readings. DRY: humidity40 percent . The express changes following the changing of the humidity. 2.Air Comfort IndicatorThe room thermometer hygrometer has 3 types of icons (DRY or COMFORT or WET) to quickly inform you of adjustments to your humidifier or dehumidifier. It effectively detects the room climate to prevent colds, dry skin, asthma, allergies, mould and more, ensuring you always live in the most comfortable environment. 3.Easy to ReadThermometer indoor outdoor with a LCD display, allows you to easily read the current temperature and humidity from different perspectives, and you can switched to or for your convenience. 4.3 Mounting WaysThis digital thermometer with metal edge design and has 3 mounting options: Magnet Attaching, Table Standing, and Wall Hanging, which you can place the wall thermometer anywhere you like such as living room, baby room, kitchen, basement, office, greenhouse, office and garden. 5.Battery Powered and Easy to UseThe humidity monitor is powered by a button battery (included). There is only one or button on the back for your convenience. To switch, use something like a needle or toothpick. Note: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement.