【High Accuracy & Fast Update】This indoor hygrometer features a built-in accurate and sensitive sensor that updates temperature and humidity data every 5 seconds, ensuring you get fast and accurate information. The temperature measurement range is from -50°C to 70°C (-58°F to 158°F), with a setting in °C or °F. Relative humidity ranges from 10% to 99%. Temperature accuracy is controlled to +1°C and humidity to +5%. 【Backlit LCD Display & Expression Prompt】This hygrometer is equipped with a high-definition LCD display with large, bold fonts and a backlight, making it easy to read day or night. It displays the current humidity and temperature with cute emoticons: dry, comfortable, and humid. If the indoor climate is too humid or too dry, the expression will be unpleasant. You can easily understand the indoor climate status and adjust it in time. 【Maximum and Minimum Records】The digital thermometer displays the maximum and minimum humidity and temperature readings every 5 seconds,