Our Wi-Fi 7-Day Programmable Thermostat - RTH6580WF connects to your home’s Wi-Fi connection to give you remote access from any Wi-Fi-enabled device. You can also download the free app to your smartphone or tablet for virtual access to your thermostat. From your connected device, you can program for comfort and energy savings. Or access the thermostat’s functions using the large, easy-to-read display.