24Ch Full D1 DVR H.264 Compression real time -24CH video,16Ch alarm,8Ch audio -Network,Mobile surveillance, ... 485 PTZ control Key function:24Channel DVR H.264 Compression real time 1.Second-generation video compression of H.264(Main ... record; CIF/H D1Recording ModeManual, Alarm, Motion detection, scheduled,contious,time,motion detection. 4ch playback.LanguageSimplified Chinese, English, Farsi,Thai, ...