... ,NTP,UPNP,EMAIL,IP authority,IP search,alarm center, etc.),complete set(WEB,client-side,SDK),easy ... with LINUX operating systemSystem sourcesMulti-channel recording simultaneously, multi-channel extra stream, multi-channel playback, multi-channel network operation, USB backup, ... D1Motion DetectionDetection region of 64 (8*8) for each channel, multi-level of flexibility (Analog channels only)AudioAudio ...