The 1F80-361 White Rodgers thermostat has sevral features to offer, such as a continuous display stepoint and an alternate display of time and temperatureProgramming features include a temperature override, manual program override, and a tempertaure HOLD feature. Program storage is another added bonus so you won’t lose everything if the power goes out. 2 “AA” batteries are included with the 1F80-361, and preprogrammed temperature control is available.RECEIVE PRECISE, ACCURATE TEMPERATURE CONTROL WITH THE SOLID-STATE MICROCOMPUTER TOO!This thermostat is intended for a low voltage system, so be sure to read the manual to be sure this is the correct thermostat for your home.