HIKVISION (OEM) 4K 16 CHANNEL POE SECURITY CCTV SYSTEM 4 MEGAPIXEL CAMERA. HARD DISK OPTIONAL (WD PURPLE). DS-7616NI-Q2/16P (OEM) NO LOGO (UL) LISTED 16-ch 1U 16 PoE 4K NVR. 1-ch, 4K (4096 x 2160)/30 Hz, 4K (3840 x 2160)/30 Hz, 2K (2560 x 1440)/60 Hz, 1920 x 1080/60 Hz, 1600 x 1200/60 Hz, 1280 x ...