... HDD x2, Alarm,Remote control 4CH H.264 Standalone DVRFeatures: IC:Hi3515 Recording:Surpport Full time D1, Network transmission ... , etcStore:Support 2 SATA HDD 2TB, Also support S.M.A.R.T HDD technologySysterm upgrade:Support USB and ... Point Retrieval,Calendar Retrieval,Fact retrieval,Channel retrievalVideo SaveLoacl HDD, NetworkRemoteMobile monitorIPhone,Android,Windows Mobile,Symbian,Blackberry etc ...