... and real time multi channels playback3).Support VGA output and TV output at the same time,Genuine high definition VGA output4 ... Raid function9).Powerful network software:built-in web server,multi-DVR client &SMS Networking access for remote live viewing,recording,playback ... stick/movable HDD/SATA HDD/DVD-RWInterfaceVideo Input4channelVideo Output2 channel TV output BNC,1.0Vp-p,75Ω,1 VGA output(optional ...