Stable, durable, all-metal shell and violence-resistible with a waterproof ratio of IP X6; available for being post-fixed;

With the “one-touch call" function（by pre-setting up the target on the server）, available for a full-duplex intercom;

With a built-in 10W speaker and a microphone; available for making hands-free calls and receiving the broadcast;

Compatible with standard SIP protocol and can be registered to VOIP phone system Independently (Mainstream IP-PBX e.g., Asterisk etc.)；;

Supportive of offline intercom (initiation & receiving) without server;

With Sound alarm function, the server will be alerted automatically when the ambient sound level exceeds a defined range continually;

With 2 alarm inputs for connecting external emergency buttons;

With a standard RJ45 interface supportive of crossing network segment and router, accessible to the system if the Ethernet is available;