AIPHONE: C-123L/A

The C-123L/A open voice door release control/answering system comes with (1) door station and (1) master station. The C-123L/A system has adjustable communication volume. Door calls in with 2-tone chime that is not adjustable. Simply press the "talk" button to reply and release to listen. The C-123L/A can be connected to an electric strike to provide remote door unlocking capabilities. Circuit automatically shuts off after use. When using 22 gauge wire, the master station can be up to 245' from door or 590' when using 18 gauge wire. This system requires a SKK-620 6VDC power supply or (2) C batteries.