PN / MS-BD3B *
A voice communications interface that mounts adjacent to a primary entry door. This model is compatible with the dmc1 and dmc3-4 Music/Communication Systems.
A voice communications interface that mounts adjacent to a primary entry door. This model is compatible with the dmc1 and dmc3-4 Music/Communication Systems.
Pressing the lighted bell button will trigger the doorbell chime on the Music/Communications