Dahua Pro Series NVR 32Ch 4K Viewing, 16 PoE+ Ports (8x ePoE), Smart H.265+/H.265/Smart H.264+/H.264/MJPEG,  Max 320Mbps Incoming Bandwidth, Up to 12MP Resolution for Preview and Playback, Fisheye Dewarping, People Counting, Face Detection, Tripwire, Heat Map, Intrusion, 2 HDMI/2 VGA simultaneous video output, 1-8 PoE Ports Support 800m ePoE & EoC, 4x SATA HDDs up to 10tb, 3x USB (2x USB3 Rear, 1x USB2 Front), 2 Year Replacement Warranty

Dahua Lite Series NVR 8 Channel, 4K Viewing, 8 PoE+ Ports, Smart H.265, 80Mbps, 8MP Res Preview & Playback, IVS, HDMI/VGA, ONVIF, 1x SATA up to 10TB, 2xUSB2, AI by Camera, Multiple network monitoring: Web viewer, CMS(DSS/PSS) & DMSS, 3Yr Warranty

Dahua WizSense Series NVR 32 Channel, 16 PoE+ Ports, Smart H.265+, 384Mbps, ONVIF, VGA & HDMI, 2x USB 2.0 ports, 4x SATA Port up to 16TB, 2x USB (USB3 Rear, USB2 Front), AI by recorder: 2-channel face detection and recognition, 4-channel perimeter protection, and 8-channel SMD Plus, AI by camera: Face detection and recognition, perimeter protection, SMD Plus, metadata, ANPR, and people counting. Remote viewing, 3Yr Warranty

Dahua WizSense Series NVR 16 Channel, 16 PoE+ Ports, Smart H.265+, 384Mbps, ONVIF, VGA & HDMI, 2x USB 2.0 ports, 2x SATA Port up to 16TB, 2x USB (USB3 Rear, USB2 Front), AI by recorder: 2-channel face detection and recognition, 4-channel perimeter protection, and 8-channel SMD Plus, AI by camera: Face detection and recognition, perimeter protection, SMD Plus, metadata, ANPR, and people counting. Remote viewing, 3Yr Warranty

Dahua WizSense Series NVR 16 Channel, 16 PoE+ Ports, Smart H.265+, 256Mbps, ONVIF, VGA & HDMI, 2x USB 2.0 ports, 2x SATA Port up to 16TB, 2x USB (USB3 Rear, USB2 Front), AI by NVR (Limited), AI by Camera: Face detection and recognition, perimeter protection; SMD Plus; ANPR; people counting; stereo analysis; heat map, Remote viewing, 3Yr Warranty

Dahua WizSense Series NVR 8 Channel, 8 PoE+ Ports, Smart H.265+, 256Mbps, ONVIF, VGA & HDMI, 2x USB 2.0 ports, 1x SATA Port up to 16TB, 2x USB (USB3 Rear, USB2 Front), AI by NVR (Limited), AI by Camera: Face detection and recognition, perimeter protection; SMD Plus; ANPR; people counting; stereo analysis; heat map, Remote viewing, 3Yr Warranty

Dahua WizSense Series NVR 4 Channel, 4 PoE+ Ports, Smart H.265+, 80Mbps, ONVIF, VGA & HDMI, 2x USB 2.0 ports, 1x SATA Port up to 16TB, 2x USB (USB3 Rear, USB2 Front), AI by NVR (Limited), AI by Camera: Face detection and recognition, perimeter protection; SMD Plus; ANPR; people counting; stereo analysis; heat map, Remote viewing, 3Yr Warranty

Dahua Lite Series NVR, 4 Channel, 4K Viewing, 4 PoE+ Ports, Smart H.265, 80Mbps, 8MP Res Preview & Playback, IVS, HDMI/VGA, ONVIF, 1x SATA up to 16TB, 2xUSB2, AI by Camera: Face detection, perimeter protection, IVS, people counting, heat map, and SMD, Multiple network monitoring: Web viewer, CMS(DSS/PSS) & DMSS, 3Yr Warranty

Dahua WizSense Series NVR 64 Channel, Smart H.265+, 384Mbps, ONVIF, VGA & HDMI, 2x USB 2.0 ports, 4x SATA Port up to 16TB, 2x USB (USB3 Rear, USB2 Front), AI by recorder: 2-channel face detection and recognition, 4-channel perimeter protection, and 8-channel SMD Plus, AI by camera: Face detection and recognition, perimeter protection, SMD Plus, metadata, ANPR, and people counting. Remote viewing, 3Yr Warranty

Dahua WizSense Series NVR 64 Channel, Smart H.265+, 384Mbps, ONVIF, VGA & HDMI, 2x USB 2.0 ports, 8x SATA Port up to 16TB, 2x USB (USB3 Rear, USB2 Front), AI by recorder: 2-channel face detection and recognition, 4-channel perimeter protection, and 8-channel SMD Plus, AI by camera: Face detection and recognition, perimeter protection, SMD Plus, metadata, ANPR, and people counting. Remote viewing, 3Yr Warranty