Extensive compatibility - Connects with nearly all heating and cooling system types. Not compatible with 110-volt or greater systems such as electric baseboard heat. Connects to your existing home network - Convenient Wi-Fi capabilities offer a secure and reliable connection. Control the temperature from anywhere - Download the app from iTunes or GooglePlay and adjust your thermostat from your smartphone, tablet or laptop, even when you're miles away. Smart Response technology learns your schedule - It provides cozy temperatures and ensures energy efficiency by learning your preferred heating and cooling cycles. Customizable climate control for every day of the week: 7-day programming and up to 4 program periods per day to keep your home comfortable. Permanent and temporary hold options. The large, easy-to-read display helps you maintain consistent comfort - Easily navigate the display to control your indoor temperatures.