Thethrough-typetemperaturemeasurementdoorisimportedfromBelgiumMelexisTheoriginalinfraredlong-distancedetectoreffectivelypreventslarge-scaleinfectiousdiseasesandhasstronganti-interferenceability.Itiswidelyusedinimportantplacessuchasmajorhospitals,schools,subwaysandairports.