1. Adopt 6mm thick aluminum panel with anti-poke protection and special screws to prevent man-made damage and embedded installation;

2. Double-key call, one-button alarm and one-button broadcast to the designated center or terminal;

3. Can do monitoring and connection storage devices such as NVR to achieve 24-hour recording

4. Public broadcasting function, can ring, group, play background music globally

5. Built-in 3W speaker and intercom microphone for full-duplex intercom, hands-free calling and receiving broadcast

6. Support loop monitoring, configurable TF card to support local recording

7. Compatible with standard onvif protocol, SIP protocol, can be connected to VOIP phone system separately (compatible with mainstream IP-PBX);

8. Support 2 channels of passive audio output;

9. Support wired transmission to achieve cross-route and cross-network transmission;