... 1 ch audio output USB backup 4CH, H.264, SATA, Support mouse, USB, network, PTZ, IE View ... playback simultaneouslyRecording bit/ frame adjustableSupport PTZ, AlarmSuppor 1pc SATA HDD, up to 1000GBPowerx1IR controllerx1Manualx1CDx1Mousex1HDD bracketx1ModelSH-L1004SystemMain ProcessorHigh ... , File download, Log informationHard DiskHard Disk1 SATA port, 2.5” SATA HDDSpace OccupationAudio: 28.8MB/H, Video: ...