Detailed Product Description * Pure Digital, TCP / IP signal transmission* Analog intercom with all the features of ... camera USB port access for remote monitoring,* Independent hardware MPEG4 video codec engine, * Peripherals to support the expansion of SD / ... display, read, delete function,* 4.3-inch, 7-inch screen optional, whether with optional touch screen.* Out sizeL230×W172×H28mm* PowerDC12V 2A ...