HIGH PRECISION: The indoor thermo-hygrometer provides a wide measuring range that allows temperature to be measured between 0.0C to 50.0C (32.0F to 122.0F). The temperature accuracy range is ± 1°C (±1.8°F). The humidity sensor has a measuring range of 10% to 10% 90%. Humidity measurement accuracy is ± 5%. PORTABLE AND MINI SIZE: Are you looking for a mini indoor thermo-hygrometer that does not take up space and can be easily transported from room to room or even during your holidays ? 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: The thermo- hygrometer provides you with the temperature and humidity of your home. In real time, it records temperature and humidity. minimum/maximum values 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 does not have complicated function buttons. It has a clear digital display that is easy to read. read even at a glance a distant distance. With just three buttons below the screen, you can either use Celcius/Fahrenheit, reset the tool, or view the minimum/maximum data recorded. Food per 1x AAA battery (not included) MOUNTING OPTIONS: The measuring tool is designed with a hanging hole for wall mounting and a retractable table stand for placing the thermometer on a table, allowing you to read your temperature/humidity where you want.