1. 6mm aluminum panel for wall-mounted or wall-mounted installation, weatherproof, durable and easy to identify

2. Support double-key call, can specify call target through software, two-way intercom call; can be connected to NVR and other storage devices to achieve 24-hour recording and recording

3. Public broadcasting function, can regularly ring, group, play background music in the whole area

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

5. Support loop monitoring and monitoring, expandable TF card to support local recording and recording;

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

7. Support 2 passive audio output interfaces

8. Support 1 channel alarm output, 1 channel TTL can remotely control access control, lighting and other peripherals;

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