Hunter's 44279 universal 5-Day (M-F) + Sat + Sun thermostat features separate programs for weekdays Saturday and Sunday. The programmable thermostat is compatible on all system types and was specially designed to install easily and work effortlessly. Installation can be completed in five minutes or less thanks to screw less color-coded wire terminals a built-in level bulb and all-purpose screws. The programming interface allows users to program this thermostat in 25% fewer steps than other similar thermostats and competitors. Convenient 5/1/1-Day programming capabilities allow users to customize programs to best suit their lifestyles and habits. Equipped with an energy guide this thermostat provides users instant feedback on energy savings as settings are changed and the save away one-touch override maximizes energy- and cost-savings opportunities when home owners are away. Plus the home today override keeps users comfortable on days when they'd normally be away from home. Hunter 44279 - Universal 5/1/1-Day Programmable Thermostat has a high-contrast Eco-Glow backlight control panel that makes it easier than ever to clearly read and program temperatures throughout the home. It can easily be installed in 5 minutes with just a screwdriver; no anchors required. Requires 2 AA batteries (not included sold separately). 1 Year Limited Warranty. White.