CCTV DVR H.264 compression format 4ch video input,1ch BNC ... 4ch audio input,1 ch audio output USB backup 4CH, H.264, SATA, Support mouse, USB, network, PTZ, IE ... SATA port, 2.5” SATA HDDSpace OccupationAudio: 28.8MB/H, Video: 56~500MB/HHDD ManagementHard disk hibernation technology, HDD ... / 10~90%RH / 86~106kpaDimension262mm×173mm×31mm(W×D×H)Weight2.0KG(without HDD)Arrange Item:1. Production Lead Time ...