Air Comfort IndicatorThe humidity temperature gauge features face icons to quickly indicate dry/comfort/humid air condition to alert you to adjust your humidifier or dehumidifier accordingly for create a more comfortable environment. High Accuracy & Fast UpdateThe indoor thermometer has high accuracy within 1(1.8) and humidity is 5%RH, the measurements data is updated every 10 seconds to give you the latest changes in the environment. Compact Screen with Large Digits This hygrometer thermometer slim size and lightweight (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 the function of backlight and clock, 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 table 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 Indoor Monitor 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 fall or hit hard, it is easy to cause damage. 4.It needs 2 batteries AAA to light up 5. / "switchable Time, date and alarm clock function LCD display shows time and date. You can also use it as an alarm clock. Multi-function in one small device. Air conditioning indicator Humidity meter with humidity level icon shows air conditioning DRY/COMFORT/HUMID, helps you know the temperature and humidity in your home at any time. 10s quick response Built-in professional sensor gives you 1.8F(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 wherever you want, or simply by placing it on your desk. Low power consumption With low power consumption display, the room temperature monitor can work for at least 1 year. Widely application Suitable for baby room, nursery, office, closet, incubator, greenhouse, garden, wine cellar, terrarium creature of the basement, etc.