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.