... 576 Display Modes Full screen, multiple screen, Sequence display,exchangable channel display. Audio 4CH Recording Modes Manual, Continue, alarm, motion ... D1:PAL 50fps/720×576 Watchdog (LED indicator) Power, channel, backup, network Event Modes Alarm trigger, video detection trigger ... Alarm Input 8CH alarm inputs, 1 repeater output, COM & N.O.& N.C. High Playback Speed × 2, × 4 ...