Hunter Home Comfort Fans 5/2 Day Programmable Thermostat comes pre-programmed with easy-to-change weekday and weekend presets and manual or vacation override. It features four programmable periods a day, allowing for wake, exit, return and sleep adjustments and provides precision for precise and comfortable temperature control. The default display mode is Fahrenheit, but it can be changed to Celsius. The option to use pre-programmed settings can save money by optimizing heating and cooling energy use throughout your home. The Hunter 44157 Thermostat also features an INDIGLO nightlight as a backlight that displays for easy viewing in the dark. The Hunter 44157 Universal 5/2 Day Programmable Thermostat will provide years of reliable service and year-round energy savings. Includes two #8 slotted screws and two wall anchors for mounting. Two AA batteries are required, but not included with purchase (sold separately). 1 year limited warranty. Product use and warranty apply to the 48 contiguous United States