C-ML/ATechnology partner: V249 Aiphone SKU C-ML/A-249 Master Station for C-123L/A, Includes DAK-2S 2-4 Days Lead Time for Stock Items Please log in to see price or purchase this item Request an account Line Comment Special Price Features:Push-to-talk door answering with door releaseAdjustable communication volumeAutomatically turns off after 20 secondsBattery or DC power supplyOptional door stations for replacement of C-D: any LE or LS Series