The unique MPN label on each inner package, which confirm it passed the quality inspection and it is genuine item sold from our shop. Please offer it to us when you need assistance. ProductSiteLaunchDate : 2019-06-13T09:00:44.437Z Size : 10mmx22mmx6mm SpecificationMet : Ul SupplierDeclaredDgHzRegulation : not_applicable UnitCount : 1 UnspscCode : 31171500