WR 1F95-0680 Blue Com.MultiStg or HP Pro, Emerson Blue Commercial, Multi-Stage (2H/2C) or Heat Pump (4H/2C) 7-Day programmable Digital Thermostat, Backlit Display, 24 Volts, 2 Programs, Economizer Control, Automatic Changeover, System Switch-Heat, Off, Cool, Emergency, Auto, Fan Switch-Auto, On, Programmable Fan, Energy Management Recovery, Remote Sense Option, Keypad Lockout, Profile-Horizontal, Tripower (Hardwire, Battery, Battery W/Power Stealing Assist), Range 45-99° F., Terminals-RC,RH,C,G,Y,Y2,W/E,W2,A1,6,O/B,L,+,S,-