AIPHONE DB Series Surface Mount 1-Channel Audio Sub-Master Station Intercom with Weather Resistant, White

The DB Series is easy to install 2-wire access control system with single and multi-tenant hands-free entry stations. OPen voice, PTT or VOX inside units feature door release and room to room communication capability. AIPHONE is proud to be a rare, 2-time winner of the prestigious Deming Prize for quality management and manufacturing processes. AIPHONE products routinely last for years, only being replaced when the application outgrows the system capacity.|Surface mount audio intercom station|For hands-free Audio Entrance Security|DB system scope: master up to 4 sub-stations system|12 VAC voltage