HIGH ACCURACY: The indoor thermo-hygrometer provides a wide measurement range that can measure temperature between 0.0C to 50.0C (32.0F to 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 an ultra-simple thermometer? The thermo-hygrometer measures 76x82x21mm, 80g. Not only does it meet daily needs, but it also does not take up much space. It is the ideal tool for travel or indoor use (office, bedroom, living room, veranda, etc.)REAL-TIME DISPLAY: thermo-hygrometer provides you with real-time temperature and humidity, it records the minimum/maximum temperature and humidity since its last reset or since the last 24 hours. It can work in Fahrenheit or Celsius.EASY READING AND OPERATION: thermometer and hygrometer has no complicated function button. It has a clear digital display that is easy to read even from a far distance. With just three buttons below the screen, you can either use Celcius/Fahrenheit, reset the tool, or view the minimum/maximum recorded data.MOUNTING OPTIONS: The measuring tool is designed with a hanging hole for wall mounting and a retractable table stand to place the thermometer on a table, allowing you to read your temperature/humidity wherever you want.