... , DDNS, NTP, UPNP, EMAILI, IP searches, Alarm Center, etc.);Support ONVIF & GB28181;support several mobile system (iOS, Android, Windows Mobile, BlackBerry, Symbian,); supports ... kinds of PTZ protocolUSB2*USB2.0 portHDD1*SATA(Single maximum support 4T)OtherONVIFSupportGB28181OptionalTemperature0℃-+55℃Humidity10%-90%weight975gPower supply12V/2Adimension255(L)* 225mm ...