AcuRite 01136M Wireless Thermometer with Indoor/Outdoor Temperature and Humidity, White

Measures indoor and outdoor temperature (F or C) and humidity, and displays trend arrows to indicate whether each measurement is rising, falling or remaining stable | Outdoor temperature shown in large, 1-inch digits | Large display and modern design fits perfectly into any room of the home | Wireless sensor transmits outdoor temperature and humidity readings from up to 165 feet away | Records daily high and low records, useful for seeing how your HVAC system is performing throughout the day