Dahua NVR 8ch 2HDD 448mbps H265 N520208-FI2

System

• Main Processor: Industrial-grade processor

• Operating System: Embedded Linux

• Operating Interface: Web / Local GUI

AI

• AI by Recorder: Face detection / face recognition / video metadata (human / motor vehicles and non-motor vehicles) / perimeter protection / SMD Plus / AcuPick

• AI by Camera: Face detection / face recognition / video metadata (human / motor vehicles and non-motor vehicles) / perimeter protection / SMD / stereo analysis / crowd distribution / people counting / ANPR / vehicle density / heat map / PPE detection / smart object detection / smart sound detection / AcuPick

• AcuPick Performance of AI by Recorder (1080P) (Number of Channels): 4 channels

• AcuPick Performance of AI by Camera (1080P) (Number of Channels): Max. 8-channel / 1 combined event per channel/s

Perimeter Protection

• Perimeter Performance AI by Recorder (Number of Channels): 8 channels / 10 IVS rules for each channel

• Perimeter Performance of AI by Camera (Number of Channels): All channels (8 targets/s)

Face Detection

• Face Attributes: Gender / age group / glasses / expressions / face mask / beard

• Face Detection Performance of AI by Recorder (Number of Channels): 4 channels (up to 12 face images/s each channel)

• Face Detection Performance of AI by Camera (Number of Channels): All channels (8 targets/s)

Face Recognition

• Face Database Capacity: Up to 20 face databases with 30,000 images / with a total capacity of 3.75 GB. Name / gender / birthday / address / credential type / credential No. / countries & regions and state can be added to each face image

• Face Recognition Performance of AI by Recorder (Number of Channels): 1. 8-channel FD (by camera) + FR (by recorder), image stream: 8 face images/s / 2. 4-channel FD (by recorder) + FR (by recorder), video stream: 24 face images/s

• Face Recognition Performance of AI by Camera (Number of Channels): All channels (8 targets/s)

SMD

• SMD Plus by Recorder: 8 channels / Secondary filtering for human and motor vehicle / reducing false alarms caused by leaves / rain and lighting condition change

• SMD by Camera: All channels (16 targets/s)

Video Metadata

• Metadata Performance of AI by Recorder (Number of Channels): 4 channels / 22 attributes extraction

• Metadata Performance of AI by Camera (Number of Channels): All channels (8 targets/s)

• People Attributes: Top color / top type / bottom color / bottom type / hat / bag / age / gender and umbrella

• Motor Vehicle Attributes: License plate / plate color / vehicle body / vehicle model / vehicle logo / calling / seatbelt / vehicle interior / vehicle registration location

• Non-motor Vehicle Attributes: Vehicle model / vehicle color / number of persons / helmet

Vehicle License Plate Comparison

• ANPR by Camera (Number of Channels): All channels (8 targets/s)

• License Plate Database Capacity: 1. Create up to 20,000 plate numbers / 2. Blocklist and allowlist

Audio and Video

• Access Channel: 8 channels

• Network Bandwidth: AI disabled: 448 Mbps incoming / 448 Mbps recording / 448 Mbps outgoing / AI enabled: 200 Mbps incoming / 200 Mbps recording / 200 Mbps outgoing

• Resolution: 32 MP / 24 MP / 16 MP / 12 MP / 8 MP / 6 MP / 5 MP / 4 MP / 3 MP / 1080p / 720p / 960p / D1 / CIF / QCIF

• Decoding Capability: AI disabled: 2-channel 32 MP@25 fps / 2-channel 24 MP@25 fps / 5-channel 16 MP@30 fps / 6-channel 12 MP@30 fps – AI enabled: 1-channel 32 MP@25 fps / 2-channel 24 MP@25 fps / 4-channel 16 MP@30 fps / 5-channel 12 MP@30 fps / 8-channel 8 MP@30 fps

• Video Output: 1 VGA / 1 HDMI / VGA: 1920 × 1080 / 1280 × 1024 / 1280 × 720 / HDMI: 7680 × 4320 / 3840 × 2160 / 1920 × 1080 / 1280 × 1024 / 1280 × 720 / Heterogeneous video source output for HDMI and VGA

• Multi-screen Display: Main Screen: 1 / 4 / 8 / 9 / Sub Screen: 1 / 4 / 8 / 9

• Third-party Camera Access: ONVIF / Panasonic / Sony / Axis / Arecont / Pelco / Canon / Hanwha

Compression Standard

• Video Compression: Smart H.265+ / H.265 / Smart H.264+ / H.264 / MJPEG

• Audio Compression: G.711a / G.711u / PCM / G726

Network

• Network Protocol: HTTP / HTTPS / TCP/IP / IPv4 / IPv6 / UDP / NTP / FTP / SFTP / DHCP / DNS / SMTP / UPnP / DDNS / SNMP / Alarm Server / IP Search (Supports IP camera / DVR / NVS / etc.) / Multicast / P2P / Auto Registration / iSCSI

• Mobile Phone Access: iOS / Android

• Interoperability: ONVIF 24.12 (Profile T / Profile S / Profile G / Profile M) / CGI / SDK

• Browser: Chrome / IE / Safari / Edge / Firefox

Recording Playback

• Multi-channel Playback: Up to 8 channels

• Record Mode: General / motion detection / intelligent / alarm / POS

• Backup Method: USB device and network

• Playback Mode: Instant playback / general playback / event playback / target video / video clip / tag playback / smart playback (face and motion detection)

Storage

• Disk Group: Yes

Alarm

• General Alarm: Motion detection / local alarm / alarm box / camera external alarm / network alarm / scene changing / PIR alarm / thermal alarm

• Anomaly Alarm: Camera offline / storage error / disk full / IP conflict / MAC conflict / login lock / abnormal behavior of fan / cybersecurity exception

• Intelligent Alarm: Face detection / perimeter protection / face recognition / video metadata (human / motor vehicles and non-motor vehicles) / SMD Plus / stereo analysis / crowd distribution / people counting / ANPR / vehicle density / heat map / PPE detection / smart object detection / smart sound detection

• Alarm Linkage: Record / snapshot (panoramic) / local alarm output / IPC external alarm output / audio / buzzer / log / preset / email

Port

• Audio Input: 1-channel RCA

• Audio Output: 1-channel RCA

• Alarm Input: 4 channels

• Alarm Output: 2 channels

• Disk Interface: 2 SATA ports / each disk can contain up to 20TB. This limit varies depending on the environment temperature

• RS-232: 1

• RS-485: 1

• USB: 2 (1 front USB 2.0 port / 1 rear USB 3.0 port)

• HDMI: 1

• VGA: 1

• Network Port: 1 (10 / 100 / 1000 Mbps Ethernet port / RJ-45)

General

• Power Supply: 12 VDC / 4 A

• Power Consumption: Total output of NVR is ≤ 10 W (without HDD)

• Net Weight: 1.55 kg (3.42 lb)

• Gross Weight: 2.77 kg (6.11 lb)

• Product Dimensions: 375.0 mm × 284.8 mm × 56.0 mm (14.76" × 11.21" × 2.20") (W × D × H)

• Packaging Dimensions: 427.0 mm × 137.0 mm × 356.0 mm (16.81" × 5.39" × 14.02") (W × D × H)

• Operating Temperature: –10 °C to +55 °C (+14 °F to +131 °F)

• Storage Temperature: –20 °C to +60 °C (–4 °F to +140 °F)

• Operating Humidity: 10%–93% (RH) / non-condensing

• Certifications: CE-EMC: EN 55032:2015+A1:2020 / EN IEC 61000-3-2:2019+A1:2021 / EN 61000-3-3:2013+A1:2019+A2:2021 / EN 55035:2017+A11:2020 / EN 50130-4:2011+A1:2014 / CE-LVD: EN 62368-1:2014