The Honeywell YTHX9321R5079 includes the following parts:
The Honeywell Comfort System Kit YTHX9321R5079 is a comfort system kit that includes a replacement Prestige HD Thermostat and Wireless Outdoor Air Sensor. The Prestige 2.0 thermostat can be used in residential and light commercial settings, and features a large high definition color touch screen and 7 day programmability for your convenience. This Honeywell HD thermostat is also enabled to connect to the RedLINK wireless communication internet gateway.
The included wireless indoor sensor senses outdoor temperature and humidity to display on your HD thermostat, and does not cause interference with any other wireless devices operating in your home.
Honeywell Comfort System Kit YTHX9321R5079 specifications: