... --NTSC/PAL--1BNC 3.Audio:4RCA--1BNC 4.Alarm and network function 5.1 HDD up to 2TB ModelTBL-D5204 ... filter, PPPOE, E-mail, Alarm server, UPNP, DDNS,DNS BindingRemote operationMonitor, PTZ control, Playback, System setting, files download, Log informationMobile ... any domain names, plug and play·Dedicated high-reliability file system for special monitoring·Simplified Chinese, English, Thai, Russian, ...