... operation: live, record, playback, backup, network transmission, mobile phone surveillance4. Support backup with ... Alarm, Motion Detection, Schedule & AlarmPlayback1/4/8/all playback simultaneously, search by time ... CH, HDMI (1920x1080P)Audio input16 CH, RCA,1 CH, intercomAudio output1 CH, RCAAlarm input16 CH , SwitchAlarm output4CH , SwitchNetwork1 CH ... Real time stand alone 1080P cctv DVR (GRT-FDK7916)