Honeywell THX9421R5013 Prestige IAQ 2.0 Thermostat (Thermostat Only, requires THM5421R1013 EIM or the THM4000R1000 TrueZONE Wireless Adapter - sold separately)

To function properly, this product must be used with the THM5421R1013 EIM or the THM4000R1000 TrueZONE Wireless Adapter (both sold separately). This is the THX9421R5013 Thermostat (THERMOSTAT ONLY!, does not include IAQ kit or redlink components). The Prestige¶© IAQ 2.0 thermostat is a 2 wire high definition color touch screen thermostat, 7 day programmable, configurable for residential and light commercial, up to 4 heat / 2 cool heat pump and up to 3 heat / 2 cool conventional, controls humidification, dehumidification and ventilation, provides Delta T Alerts and Diagnostics, works with the Equipment Interface Module and RedLINKƒ?½ accessories including the RedLINKƒ?½ Internet Gateway, Portable Comfort Control, Wireless Outdoor Sensor and Wireless Indoor Sensor