Steel residential doors.
Sound equipments.
Video and Audio Intercom Systems Video communication between flats,touch button ,handsfree,decorative,sliding,surface mount,2 speaker channel(which one flat is communicating with door,another flat is also ability to communicate doorkeeper or security man at the same time),ability to contact gate and doorkeeper, to open the door,3 different ringtones,ability to arrange ringtone(ability to close ringtone completely),amutomatic and manuel shut down,front gate monitoring,optionally,if required,it is able to monitoring different 8 areas(car park,children's park etc.) by connected to camera,monitoring different areas,brightness and color setting,led indicator for busy sitauation,contact security man,security camera monitoring (for further details and other models please contact )