About this item HIGH ACCURACY: The TAKIT indoor thermo-hygrometer provides a wide measurement range that can measure temperature between 0.0C to 50.0C (32.0F to 122.0 F). The temperature accuracy range is 1C (1.8F). The humidity sensor has a measuring range of 10% to 90%. Humidity measurement accuracy is 5%. PORTABLE AND MINI SIZE: Looking for a mini indoor thermo-hygrometer that doesnt take up space and is easily carried from room to room room or even during your vacation Are you looking for an ultra-simple thermometer The TAKIT 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: The TAKIT thermo-hygrometer provides you with the temperature and humidity in real time, 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: TAKIT 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. Powered by 1x AAA battery (not included)