Click to expand Tap to zoom Hanwha Techwin SRD-450-500G 4CH Value DVR by Hanwha Techwin SKU SRD-450-500G Get a Quote Features 4CH CIF real-time DVR CIF resolution real-time recording capability (4CIF recording available) SATA HDD support (Internal Max. HDD x 1) 500GB Raw Storage Smart phone support