Just turn it up and down. The Nest Learning Thermostat learns the temperatures you like and creates a custom schedule for your home. Nest automatically turns itself down after you leave. You can control it from anywhere using your phone, tablet, or laptop. Look for the Nest Leaf to find a temperature that saves energy. With Energy History and Home Report, you can see how much energy you use and why. Thermostat Features Display: 1.75� LCD screen with 320x320 resolution Auto Schedule: learns the temperatures you like and programs itself Auto Away: turns itself down when nobody’s home to help you save energy Wi-Fi: Yes Nest Leaf™: Appears when you choose a temperature that saves energy Built-in Battery: Yes, rechargeable Li-Ion