HIGH ACCURACY: The indoor thermo-hygrometer provides a wide measuring range that can measure the 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 a mini indoor thermo-hygrometer that doesn't take up space and can be easily carried from room to room or even during your vacation? Are you looking for an ultra-simple thermometer? The thermo-hygrometer measures 76x83x21mm. Not only does it meet daily needs, but it also doesn't take up much space. It is the ideal tool for travel or indoor use (office, bedroom, living room, veranda, etc.) REAL-TIME DISPLAY: The 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 operate in Fahrenheit or Celsius. EASY READING AND OPERATION: The thermometer and hygrometer has no complicated function button. It has a clear digital display, easy to read even from a far distance. With only three buttons below the screen, you can either operate the Celcius/Fahrenheit, reset the tool, or view the minimum/maximum recorded data. Powered by 1x AAA battery (not included) Delivery quantity: 1 piece