... 3)It support 8CH playbac 4/8/16ch standalone h.264 dvr♦Hisilicon 3515 chipset, embedded operation system♦H.264 compression ... ModesFull screen, multiple screens, Sequence display, exchangeable channel display, picture-in-pictureAudio Input-8Db22kΩ,RCA connector× ... PAL 50fps/704*576Watchdog (LED indicator)Power, channel, backup, networkEvent ModesAlarm trigger, motion detection triggerHigh Playback ...