Marvel at the highest resolution HD images up to 1000+TVL actual recorded quality dependant on camera. Use standard Video Co-ax cable up to 100m runs, 50fps or 25fps recording dependant on whether the HD-SDI Camera is set to 720p or 1080p. HDMI or High Resolution VGA output. This is a Superior quality 4ch DVR built by Professionals for users that require the Highest Standard of Operation, Recording and Archiving. Pentaplex operation allows Continuous Recording whilst in Playback Mode, or when accessing the DVR on a Network or Remotely through the Internet using the inbuilt High Spec Webserver. Multi site CMS software available for Users with up to 64 cameras on DVR's at different locations. Fast setup using "EZRecord" or full control of individual camera settings for Day, Night and Weekend - make this a truly multi functional Pro Grade model.