Works with Alexa for voice controlAuto-Schedule. No more programming. The Nest Thermostat learns from you and programs itself.Auto-Away. Don't heat or cool an empty home. Auto-Away adjusts the temperature after you leave.Remote control. With the Nest app, you can change the temperature, check Energy History and get an alert if your home is too hot or cold.Energy History. Know more, save more. Check your Energy History to see how much energy you use and why.Nest Leaf. The Leaf appears when you choose a temperature that saves energy.Fast setup & installation. Most people install the Nest Thermostat in 30 minutes or less. If you ever need help, call 24/7 support.Works with 95% of 24V heating and cooling systems, including gas, electric, forced air, heat pump, radiant, oil, hot water, solar and geothermal.Display screen: 24-bit color LCD, 480 x 480 resolution at 229 pixels per inch, 2.08-inch diameterWi-Fi 802.11b/g/n at 2.4GHz, 5GHz; 802.15.4 at 2.4GHz; Bluetooth Low Energy