... b) Open Tolerance: ±2ºC, ±3 ºC, ±4 ºC, ±5ºCc) Open & Close Tolerance: 5 ºC -60 ºCd) Close Tolerance: ±2ºC, ±3 º ... C, ±4 ºC, ±5ºC, ±10 ºC 5.Normal Electric Strength: Not ... )CQCcertificate: CQC03002007756,CQC03002002483,CQC07002019750,CQC03002007754,CQC03002007753Comply with RoHS Directive and REACH T1/11-A air conditioner thermostat