Includes Honeywell TH6320R1004 Focus PRO 6000 Thermostat, Honeywell THM5320R1000 Equipment Interface Module, C7735A1000 Return Air Sensor. Also YTH6320R1015 includes Honeywell REM5000R1001 Portable Comfort Control to sense and control temperature from any room and a Wireless Outdoor sensor C7089R1013 to display outdoor temperature and humidity on all devices. Everything you need to relocate thermostat or upgrade equipment without running new wires.