... /DVD-RW·Six operations: preview, recording, playback, backup, network monitoring and mobile monitoring simultaneously and independently;·More than 20 languages: Chinese, English, Thai, Russian ... ,PTZ,Alarm,E-mailMotion DetectionConfigurable detection areas 352(22*16) and Sensitivity 5 levelsVideo LossSupportAlarm Input4chOutput1chPlaybackSynchronous Playback16-chSearch ModeDate, Time, Event ...