Porter switchboard audio for Sfera digital audio and video door intercom systems, for door and internal intercom traffic, coiled white handset cord, with 10-key keypad, LCD display with name register, LED for function display, adjustable ring tone volume. One door opener, one light and one call button. Day and night switching, storage of internal calls, can be expanded with monitor 334402, attachment with accessories for wall or flush mounting, can be used as a table device with table accessories. Dimensions: 140 x 210 x 68.5 mm
