Technical parameters of hard disk video recording:
Hard Disk Capacity: 500G Hard Disk
Battery capacity: 8000 mA/h
Playback image quality: D1 (704*576)/HD1 (704*288)/CIF (352*288)/QCIF (176*144)
Screen Display: 1/4 Screen Display
Video standard: PAL system, (625 lines, 50 fields per second)
Monitoring image quality: PAL system, D1 (704*576)
Backup mode: network backup, USB backup
Image compression: H.264 mp
Operating interface: 16 bit true color graphical menu operating interface, mouse operation
Video speed: PAL system: 100 FPS
Video recording mode: manual greater than alarm greater than mobile detection greater than timing
Video inquiry methods: time point retrieval, calendar retrieval, event retrieval, channel retrieval and point-by-point information retrieval
Each path occupies hard disk space: audio: 28.8M bytes/hour + video: 25-450M bytes/small
