Original Hikvision worldwide English version and upgradeable. Hikvision APP: hik-connect, guard viewer, IVS-4200. Hikvision 8CH 8PoE 4K NVR DS-7608NXI-I2/8P/S 8-ch 1U 8 POE AcuSense 4K NVR. HDMI Output 4K (3840 × 2160)/60Hz, 4K (3840 × 2160)/30Hz, 2K (2560 × 1440)/60Hz, 1920 × 1080/60Hz.
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