The Honeywell YTHX9421R5077 kit includes the following:
The Honeywell PRESTIGE IAQ 2.0 HD Comfort System Kit YTHX9421R5077 is a high definition, full color, touchscreen thermostat for your home. The Honywell comfort system thermostat will control your heating and cooling system as well as your whole humidification, dehumidification and ventilation system. This whole house thermostat will control your whole house appliances with only 2 wires at the thermostat.
Honeywell YTHX9421R5077 Specifications:
The Honeywell comfort system thermostat includes a thermostat, Honeywell equipment interface module, Honeywell portable comfort control, Prestige wireless outdoor sensor and Prestige duct sensors for easy installation. The Prestige IAQ 2.0 2 wire thermostat is reliable in all climates, has a 2 year battery life with 2 month low battery warning and is 7 day programmable. The convenient change reminder feature will remind you to change your air filter, ultraviolet bulb or humidifier pad.