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.