It's Easy - Universal compatibility means it works on all system types. Screwless, color coded wire terminals, built-in level bulb and all purpose screws mean you can install it in 5 minutes - really! And Hunter's patent-pending programming interface means you can program it in 25% fewer steps than other thermostats. It's Convenient - With 7 Day Programmable Max capability, you can set up to four programs for each day of the week - truly customizing the program to fit your lifestyle. It's Smart - With features exclusive to Hunter, it helps you save money and stay comfortable. The Energy Guide gives you instant savings feedback as you change the settings and the Save Away one-touch override - for times you are away - gives you even more opportunities to save. Finally, our patented Home Today override keeps you comfortable on days when you are normally away. And it's all controlled by a maximum-contrast LED backlit touchscreen which makes saving money a breeze!