HIKVISION DVR 4 channels DS-7104HUHI-K1 H.265 Pro+/H.265 Pro/H.265/H.264+/H.264 encoding Self-adaptive HDTVI/HDCVI/AHD/CVBS signal input 1 SATA support HDD Up to 6 TB HDMI output at up to 4K (3840 × 2160) - iTechcsn
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HIKVISION 4CH DVR 4 CHANNEL 2TB DS-7204HGHI-F1 Turbo HD 1080P (2TB HARD DISK) | eBay
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HIKVISION 4 Channel DVR Digital Video Recorder DS-7204HWI-SH | eBay
Amazon.com : Hikvision T7104Q1TB 4-Channel 1080p DVR with 1TB HDD and 4 1080p Outdoor Dome Cameras Kit : Electronics