White Rodgers 4.5" Display Conventional 7-Day Programmable Thermostat 1 Heat/1 Cool

4.5" Display Conventional 7-Day Programmable Thermostat 1 Heat/1 Cool Single-stage (1H/1C) with program choices: 7 day, 5+1+1 day or non-programmable digital thermostat Backlit display 24 volts Or millivolt System switch-heat, off, cool, fan switch-auto, on Keypad lockout Temperature limits Dual power: hardwire and/or battery Range 45-99º F Terminals- RH,RC,C,W,Y,G,O/B