1-46 full-time audio synchronization, real-time surveillance, monitor, video, playback, network synchronization four ... formatH.264 Hard NipVideo input1624 -channel full-time28-channel full-time32 -channel full-timeAudio input1624 group audio frequency28 group audio ... control, etc. support multi-tasking at the same time,Memory modeIDEFDDDATDVE-ROMInfrared remote sensor Power sourceAC220-2,550WHD ...