When used with an AcuRite Iris (sold separately), track indoor and outdoor temperature, outdoor humidity, wind speed and direction, barometric pressure trends, and rainfall totals Combined data from the built-in barometer and the outdoor remote temperature sensor provide a ...When used with an AcuRite Iris (sold separately), track indoor and outdoor temperature, outdoor humidity, wind speed and direction, barometric pressure trends, and rainfall totals Combined data from the built-in barometer and the outdoor remote temperature sensor provide a hyperlocal, personalized weather forecast 12 hours from your current conditions Mini home weather station display shows the hour, minute, month, and date