1Real Time Measurements: Our digital thermometers have large vents on both sides to provide high accuracy readings and fast real time response. It has a wide temperature range from minus9.9C to 50C and a wide humidity range from 10%RH to 99%RH. 2Large LCD Display: This humidity thermometer integrates an LCD display and a large clear digital indicator, showing both indoor temperature and humidity, very easy to read. 3Smile Display: There are two cartoon icons showing your current weather conditions in real time. A smiling face is "comfortable" (relative humidity: 40% to 70%), and a crying face is "unpleasant" (relative humidity: <40% or >70%) 4Flexible Placement: Humidity thermometer has a 45 foldable stand for easy placement on the desktop. In addition, it has a hanging hole on the back, you can also suspend it on the wall. 5Easy to Use: The thermo hygrometer has a simple design with 3 buttons, which makes it look more elegant and sophisticated. There is a toggle button to select C and F units, and a mode button and ADJ button to set.