『Wide measuring range and high accuracy』: The thermometer hygrometer temperature measuring range is between -10 ° C and 50 ° C (14 ° F to 18 ° F) and the accuracy is ± 0.1 ° C (± 0.6 ° F). The humidity measuring range is between 10% and 99% and the accuracy is ± 5% 『Large LCD screen with backlight』: This thermometer has a large LCD screen, clear display and flicker-free screen, the thermometer can be easily read from any angle. With the touch screen function, you can work directly and more comfortably on the screen. And with the backlight, you can easily read at night without turning on the light 『Humidity Monitoring with Comfort Display』: Our indoor hygrometer provides real-time temperature/humidity readings and maximum/minimum records. With a three-level comfort indicator: dry/comfort/humid, you can know the real-time situation of the room and take appropriate improvement measures to provide you and your family with a better environment. °C/°F switchable 『3 Installation Methods