... Alarm>Video Detection>ContinuousPlaybackMulti channels playback simultaneously,pause,stop,rewind,fast play, slow play,next file,previous file,repeat,shuffle, ... Flash stick/movable HDD/SATA HDD/DVD-RWInterfaceVideo Input4channelVideo Output2 channel TV output BNC,1.0Vp-p,75Ω,1 VGA ... 4 -8channel)Relay OutputN/A(could be expanded to 1 channel)Net InterfaceRJ-45 (10M/100M)PTZ Control1 RS485USB Interface2 ...