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Alpha Communications SC-300 | Window Intercom System, Counter Top Mount, 2-Way, 15" Gooseneck Microphone, 8" Width X 2.8" Depth X 2.8" Height

Window Speaker Intercom System Dual Way Anti-Interference Intercommunication Microphone Talk Through Glass,Voice Intercom System For Bunsiness,Bank Counter,Store,Restaurant,Office,Station,School Pack Of 2

Advanced Window Intercom 2 Way Window Interphone