thermostat wireless 1.CE,CQC,UL,ISO9001,TUV approved 2.good material, ... .Life run for operation:200000 circle6.Used for refrigerator,freezer,air conditioner etc home appliance7.Packing:100pcs/ctn;G.W./N ... .Port:Ningbo/Shanghai11.Certification:CE,CQC,UL,ISO9001,TUV thermostat wireless