Air Comfort IndicatorThe 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 UpdateThe indoor thermometer has high accuracy within 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 DigitsThis hygrometer thermometer with slim and lightweight size (3.5*3.0 inches, weighs only 30g) is easy to carry. 2.3 inch large LCD display with big thick digits allows you to read the temperature and humidity more easily and clearly. Backlight & Clock FunctionWith 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 OptionsIndoor 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 one AAA battery (included). Specification: Temperature range: 58F~158F (50C~70C), accuracy: 1.8F / 1 C Humidity range: 10%RH~99%RH, accuracy: 5%RH Comfort indicator: dry, comfort, wet Temperature display unit: F/C selectable Temperature resolution: 0.2F/0.1C Humidity resolution: 1% Refresh rate: 10 seconds Battery using: AAA1.5*2 Package Contents: 1* Thermometer Yeuri