Photo 1 of DESHUN DS-989 Window Intercom, Full Duplex Window Speaker System,Loud Speaker, Intercom System for Business,Medical Treatment,School, Home,Hospital, Store.

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Photo 1 of DESHUN DS-989 Window Intercom, Full Duplex Window Speaker System,Loud Speaker, Intercom System for Business,Medical Treatment,School, Home,Hospital, Store.Photo 2 of DESHUN DS-989 Window Intercom, Full Duplex Window Speaker System,Loud Speaker, Intercom System for Business,Medical Treatment,School, Home,Hospital, Store.