High Accuracy: The room thermo-hygrometer offers a wide measuring range, measuring temperatures between 0.0C and 50.0C (32.0F and 122.0F). The temperature accuracy range is 1C (1.8F). The humidity sensor has a measuring range of 10% to 90%. The humidity measurement accuracy is 5%. Portable and Mini Size: Are you looking for a mini room thermo-hygrometer that doesn't take up space and is easy to carry from room to room or even when you're on vacation? Are you looking for an ultra-simple thermometer? The size of the thermo-hygrometer is 76x82x21mm, 80g. Not only can it meet daily needs, but it also doesn't take up space. It is the ideal tool for travel or indoor use (office, bedroom, living room, balcony, etc.). Real-time display: The thermo-hygrometer gives you real-time temperature and humidity, it records the minimum/maximum temperature and humidity since the last reset or the last 24 hours. It can operate in Fahrenheit or Celsius. Easy to read and use: Thermometers and hygrometers do not have complicated function buttons. It has a clear digital display that is easy to read even from a distance. With only three buttons below the screen, you can operate Celsius/Fahrenheit, reset tools or view min/max log data.