temperature controller 1.CE,CQC,UL,ISO9001,TUV approved 2.good material, ... : 6(6)A4.Contact Resistance:≤50MΩ5.Life run for operation:200000 circle6.Used for refrigerator,freezer,air conditioner etc home ... .Port:NIngbo/Shanghai11.Certification:CE,CQC,UL,ISO9001,TUV temperature controller