7 Day Program Thermostat

Honeywell 7 Day 1 Program Thermostat. It has a lit display, permanent & temporary override, set point saved in power loss, single stage heating & cooling, heat & cool only, central air, furnace, warm air, heat pump with & without auxiliaryheat, hot water & steam or gravity, 750 millivolt, gas fireplaces 24V or 750 millivolt.