We get it you�re busy. You have your own schedule and routine, and it doesn't always align with your thermostat. When you�re on the go, you can still check, adjust and program your RTH6580WF WiFi 7-Day Programmable Thermostat from your smartphone. Connected to your home�s existing WiFi connection, this digital thermostat gives you remote access from any WiFi-enabled device. Download the free app to your smartphone or tablet for virtual access to your thermostat. From your connected device, you can program or reprogram on the fly. At home, access the thermostat�s functions using the large, easy-to-read display. Either way, it puts the comfort and energy savings in your hands.