2 HDD position 1U case
16CH coaxial HD +16CH  IPC access at the same time
Support CHD/THD/AHD/CVBS  auto-recognition/network five  mixed signal access 
Auto recognition PAL/NTSC access
Support max 1/4/8/16CH sync playback and sync run backward
Support main stream and sub stream sync video
Support  sync video, playback, remote monitoring , backup
VGA/HDMI sync output, support 1080P HD preview

Support 15 times electronic  amplification of image preview and playback 1080P 25fps 8 analog + 8 ip                                                                 

Private protocol compatability with XM IPC