Doorbell Intercom System Wired - 7-inch Indoor Monitor (2-wire Version) – DNAKE

 Physical Property
  System  Linux
  RAM  64MB
  ROM  128MB
  Front Panel  Plastic
  Power Supply  Two wire supply
  Standby Power  1.5W
  Rated Power  9W
  Installation  Surface Mounting
  Dimension  221.4 x 151.4 x 16.5mm
  Working Temperature  -10℃ - +55℃
  Storage Temperature  -10℃ - +60℃
  Working Humidity  10%-90% (non-condensing)
 Display
  Display  7-inch TFT LCD
  Screen   Capacitive touch screen
  Resolution  800 x 480
 Audio & Video
  Audio Codec  G.711 
  Video Codec  H.264
 Networking
  Protocol  SIP, UDP, TCP, RTP, RTSP, NTP, DNS, HTTP, DHCP, IPV4, ARP, ICMP
 Port
  Ethernet Port  2-wire port
  RS485 Port  1
  Power Output  1 (12V/100mA)
  Doorbell Input  8 (use any alarm input port)
  Alarm Input  8