1. HIGH ACCURACY: The mini hygrometer thermometer provides high accuracy readings and fast, real-time response over a wide temperature range from -20C to 70C and a wide humidity range from 10% to 99%. 2. CARTOON FACE INDICATOR: The room thermometer hygrometer features a cartoon comfort indicator with a smiling face to symbolize "comfortable" (RH: 40% to 70%) and a crying face to symbolize "unpleasant" (RH: 70%). 3. Clear LCD Display: Digital hygrometer thermometer with built-in LCD display and large, clear digital indicator showing both room temperature and humidity, very easy to read. 4. Easy to Use: The indoor outdoor thermometer hygrometer has a 45C folding stand and can be easily placed on a table top. There is a hanging hole on the back so you can also hang it on the wall. 5. WIDE APPLICATION: The electronic temperature and humidity meter is suitable for many places such as indoor, office, home, nursery, bathroom, flower room, etc.