... 264(Main Profile)2.Six workers at the same time support the operation of recording, playback, network ... D1/D1Recording ModeManual, Alarm, Motion detection, scheduled,contious,time,motion detection. 16ch playback.LanguageSimplified Chinese, English, Farsi ... /Manual alarmReplaySupport multi-CH replay at the same time, Support rapid forword/backword (x4,x8,x16 ... /HD1/D1 DVR H.264 real time CCTV DVR system