The Extech 445713 Big Digit Hygro-Thermometer is a versatile device that simultaneously displays indoor and outdoor temperature and humidity for comprehensive monitoring. This hygro-thermometer provides accurate measurements of humidity and temperature, allowing you to maintain optimal conditions in both indoor and outdoor environments.

The Extech 445713 is capable of measuring humidity in the range of 10% to 99% RH and temperature in the range of 14 to 140 degrees Fahrenheit (-10 to 60 degrees Celsius). With an accuracy of ±5% RH and ±1.8 degrees Fahrenheit (±1 degree Celsius), you can rely on the displayed readings for accurate monitoring of the humidity and temperature levels.

One of the key features of the Extech 445713 is its ability to display both indoor and outdoor temperature and humidity simultaneously. This allows you to conveniently compare and monitor the conditions in different areas or environments. Whether you need to monitor the climate inside your home or workplace, or the outdoor conditions in your garden or patio, this hygro-thermometer provides a comprehensive view.

The hygro-thermometer also includes a Max/Min function with a reset feature. This allows you to store and recall the highest and lowest recorded measurements for all four parameters, including indoor temperature, outdoor temperature, indoor humidity, and outdoor humidity. This feature is useful for tracking fluctuations over time and identifying critical points or trends in the recorded values.