Emerson 1F83H-21NP Heat Pump (2H/1C) Non-Programmable Thermostat

Emerson 4.5 in. Display, Heat Pump (2H/1C) With Dual Fuel Option. Non-Programmable Digital Thermostat, Backlit Display, 24-Volt, System Switch-Heat, Off, Cool, Aux/Emer, Fan Switch-Auto, On, Keypad Lockout, Temperature Limits, Profile-Horizontal, Dual Power: Hardwire and/or Battery, Range 45-99°F. Terminals- R,C,W2,E,Y,O/B,G,L.