Operating system
Embedded linux operating system, elimination of virus infection
 
Video Compression
MPEG2/MPEG4 Video formats,quality, and bitstream than the best
 
Video processing
surveillance: 4-D1 video (PAL: 720× 576, NTSC: 720×480)
Recorder: Total PAL 50, NTSC 60 resources stored in the hard disk drive
Three record modes: motion detection, timing record, manual record
Video quality: a total of eight adjustable
Can’t be artificially modified disk storage of video, audio, data
 
Playback and search
Can be search time or events to playback
Support four way video and one way audio at the same time to playback
Can be one or four channel amplification at the same time to playback
 
Hard drives and backup
2.5-Inch notebook drives
Samsung, Hitachi SATA series of notebook drives
 
Control
Through the remote control operation
Dual video processor MPEG2, MPEG4 nuclear, dual MCU control

Designed to prevent vibration
Non-fixed, Hard Drives earthquake protection, good damping effect
Specially designed SATA  hard disk connector