DVR Card 4 Channel DG-4HC hardware compression card is a professional digital security product, which adopts the most advanced H.264 video compression algorithm and ADPCM/PCM audio. DG-4HC supports 4 channel real time full motion video and 4 channel audio with no frame lost which makes DG series the most stable DVR cards on the Australian market today. Click here for more. DVR Card 8 Channel DG-8HC hardware compression card is a professional digital security product, which adopts the most advanced H.264 video compression algorithm and ADPCM/PCM audio. DG-8HC supports 8 channel real time full motion video and 8 channel audio with no frame lost which makes DG series the most stable DVR cards on the Australian market today. Click here for more. DVR Card 16 Channel DG-16HC hardware compression card is a professional digital security product, which adopts the most advanced H.264 video compression algorithm and ADPCM/PCM audio. DG-16HC supports 16 channel real time full motion video and 16 channel audio with no frame lost which makes DG series the most stable DVR cards on the Australian market today. Click here for more. "All you need to do is plug the DVR card into empty PCI slot on your personal computer, install the software provided, add one or more cameras and start monitoring your home or business" More Links: Contact us for help and product info 4 Channel DVR Card 8 Channel DVR Card 16 Channel DVR Card DVR Server Site Map