... 8pcs HDD 4.2U 16CH NVR High Quality Dahua Onvif Nvr 4/8/16 Channel 2U Professional NVR3816 Model: ... NVR3804/3808/3816Product Features: NVR3816: 16 channel @D1, 8 channel @720P, 4 channel @1080P IP camera inputs, ... (200-3000mV, 5KΩ)DisplayDisplay Split1/41/4/8/91/4/8/9/16Resolution1920×1080, 1280×1024, 1280×720 ... File download, Log informationHard DiskHard Disk8 SATA ports, 8 HDDs or 6 HDDs + 1 CD/DVD-RW, ...