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RJ39 Surface kusvibiswa detector
Iyo RJ39 pamusoro pekusvibisa chiridzwa chakakodzera kuona nemwaranzi pamusoro pekusvibiswa. Iyo chiridzwa inotora maviri maviri flash detector, ine yakakwirira yekuona kugona; inogona kuyera panguva imwe chete, /, uye kusiyanisa otomatiki, / yekuona mhinduro.