• Full metal shell, strong and durable, can be fixed on vertical bar.

• Single button, call goal be set in server, realize full-duplex talkback.

• With built-in camera, present live scene to the control center.

• Built-in speaker and microphone, hands-free call and broadcast receiving.

• Digital recording, upload to server automatically

• With audio output port, can connect to active speaker.

• Short-circuit output for connect electronic lock or alarm light, etc.

• Remote software update, configuration and monitoring

• Works everywhere as long as Ethernet available.