Nista SD-40P Analog Door Phone
NISTA SD-40P Analog Door Phone is a revolutionary new design concept.
Incorporates a backwards facing speaker where the sound is ported to sound vents on the side of the unit. This allows the front panel to be speaker-free and of a smooth, contemporary design. Offered in a satin Duralumin finish, bears touch sensitive buttons providing a perfect balance between high quality aesthetics and simple functionality.