... Standalone DVRFeatures: IC:Hi3515 Recording:Surpport Full time D1, Network transmission, Multi-ch synchronous playbackVideo output:CVBS video and ... Support 2 SATA HDD 2TB, Also support S.M.A.R.T HDD technologySysterm upgrade:Support USB and Romote ... FunctionPIP,Image FrozenMove VMDEach CH can be set up the testing area alone,Can set up a multistage SensitivityPicture Display1,4 view showAudioAudio ...