... ,Polish,Romanian,Spanish,Swedish,VietnameseSupport smart mobile and network (IE&Firefox&Safari&Chrome) real time remotely ... & display zoneAudioAudio CompressionG711ABidirectional TalkSupportRecord &PlaybackRecording ModeManual>Alarm>Video Detection>ContinuousPlayback1~4 channels playback simultaneously,Pause,stop,rewind ... Input4 channel,BNC,1.0Vp-p,75Ω Video Output2 channel TV output BNC,1.0Vp-p ...