HIK VISION 4K DARK FIGTHER 16 CHANNEL SECURITY CAMERA SYSTEM. 4MP ACU SENSE DARK- FIGHTER. DS-7616NI-K2/16P 16-ch 1U 16 PoE 4K NVR. Up to 16-ch IP camera inputs. 1 HDMI and 1 VGA interfaces, both interfaces support independent video output. 2 SATA interfaces for HDD connection (up to 10 TB capacity per HDD). Up to ...