Emerson - 1F83C-11NP Single Stage 1H/1C Programmable Thermostat 4-1/2" backlit display Non-programmable 24V or mV System switch - Heat, Off, Cool, Fan switch - Auto, On Keypad lockout Temperature limits Horizontal profile Dual power: hardwire and/or battery Range: 45 - 99º F Terminals- RH, RC, C, W, Y, G, O/B