1. USES 6 mm thick aluminum plate with extra stamp protection and special screws, prevent man-made destruction, embedded installation;

2. Support double bond calls, calls the target can be specified by the software, two-way radio broadcast propaganda;

3. To do monitoring connection NVR storage devices achieve 24-hour recording;

4. The built-in 3 w speakers and microphones pendant, can realize full-duplex talkback, hands-free calls and receive broadcast;

5. Support circulation monitoring, extensible TF card support local recording;

6. Compatible with standard SIP protocol, can separate access VOIP phone system (compatible with the mainstream IP PBX);

7. Support 2 passive output and 2 road 20 w output resistance

8. Support 1 alarm output, 1 road TTL can remote control door, lighting and other peripherals;

9. Support cable transmission can be realized across routing, transmission across the network segment.