Air Comfort Indicator The humidity temperature gauge features face icons to quickly indicate the dry/comfort/humid air condition to alert you to adjust your humidifier or dehumidifier accordingly to create a more comfortable environment. High Accuracy & Fast Update The indoor thermometer has high accuracy 1 (1.8 ) and humidity is 5%RH, the data measurements are updated every 10 seconds to give you the latest changes in the environment. Compact Screen with Large Digits This hygrometer thermometer with slim and lightweight size (3.5 * 3.0 inches, weighs only 30g) is easy to carry. The 2.3 inch large LCD screen with big thick digits allows you to read the temperature and humidity more easily and clearly. Backlight and Clock Function With backlight and clock function, you will get a clear reading at night or in the dark and convenient to set the alarm clock for your work or study. Multiple Mounting Options Indoor wall thermometer equipped with 2 mounting options, including a tabletop stand and a hanging hole, you can install the wall thermometer anywhere you like, such as living room, kitchen, guitar room, office and basement, powered by two AAA batteries (Not included). Digital Indoor Thermometer Hygrometer Monitor Indoor Temperature Humidity Meter for Bedroom Home Office Nursery Note: 1.Do not immerse it in water, otherwise it will be damaged. 2.Do not clean it with benzene, thinner or other chemical solvents. If necessary, clean it with a soft cloth 3.Please do not drop or hit hard, it is easy to cause damage. 4.Does it need 2 AAA batteries to light up? 5. / "Switchable Time, Date and Alarm Clock Function The LCD screen displays the time and date. You can also use it as an alarm clock. Multi-function in one small device. Air Condition Indicator The humidity meter with humidity level icon indicates DRY/COMFORT/HUMID air conditioning, helps you know the temperature and humidity in your home anytime. 10s Fast Response The built-in professional sensor offers you 1.8 F (1 ) and 5% level accuracy, enjoy accurate data from the hygrometer thermometer every second. Portable Thermo-Hygrometer The hanging hole on the back allows you to hang the sensor anywhere you like, or simply by placing it on your desk. Low Power Consumption With the low power consumption display, the room temperature monitor can work for at least 1 year. Widely Application Suitable for bedroom baby, nursery, office, closet, incubator, greenhouse, garden, wine cellar, basement creature terrarium, etc.