> 720P 4 Channel video input AHD AHD or 2CH + 2CH 960H
> output HDMI / VGA t
> 1 channel audio
> image compression standard H.264
> 720p @ 25 / 30fps1
> hotroluuchu 2 SATA HDD up to 4TB
> 2 USB2.0
> support P2P feature
> View telephone, Reviews Channel, Software CMS 2000