X2 ControlsTCI2TCX2TRI2SXC2SDC2-THCQSDC2-TSOC2-THSCC2-CQEasysetX2-Operation TerminalsControlsSensorsAccessoriesGateways SXC2-Series SDC2-THCQ Duct mounted Controller and Sensor SDC2-T Duct mounted Controller and Sensor SOC2-TH Outdoor Controller and Sensor SCC2-CQ Air Quality Controller and Sensor