Dahua DHI-NVR4208-8P-EI 8 Channel AI NVR 2x SATA 8xPoE 256Mbps Incoming

System

Main Processor

Multi-core embedded processor

Operating System

Embedded LINUX

Perimeter Protection

Performance

4 channel, 10 IVS rules for each channel

Object classification

Human/Vehicle secondary recognition for tripwire and intrusion

AI Search

Search by target classification (Human, Vehicle)

Face Recognition

Performance

Max 12 face pictures/sec processing

2 channel video stream face recognition/8 channel picture stream face recognition (with FD camera)

Stranger Mode

Detect strangers' faces (not in device's face database).Similarity threshold can be set manually.

AI Search

Up to 8 target face images search at same time, similarity threshold can be set for each target face image.

Database Management

Up to 10 face databases with 20,000 face images in total. Name, gender, birthday, address, certificate type, certificate No., countries®ions and state can be added to each face picture.

Database Application

Each database can be applied to video channels independently.

Trigger Events

Buzzer, Voice Prompts, Email, Snapshot, Recording, Alarm Out, PTZ Activation, etc.

Audio and Video

IP Camera Input

8 Channel

Two-way Talk

1 Channel Input, 1 Channel Output, RCA

Display

Interface

1 HDMI, 1 VGA

Resolution

HDMI: 3840 × 2160, 1920 × 1080, 1280 × 1024, 1280 × 720

VGA: 1920 × 1080, 1280 × 1024, 1280 × 720

Decoding Capability

2-ch@8MP (30fps), 8-ch@1080P (30fps)

Multi-screen Display

1/4/8/9

Recording

Bandwidth

200 Mbps (80 Mbps when AI function enabled, based on Dahua private protocol)

Compression

Smart H.265+/H.265/Smart H.264+/H.264/MJPEG

Resolution

12MP, 8MP, 6MP, 5MP, 4MP, 3MP, 1080P, 1.3MP, 720P, D1 etc.

Record Mode

Manual, Schedule (Continuous, MD (Motion Detection), Alarm, IVS)

Record Interval

1–120 min (default: 60 min), Pre-record: 1–30 sec, Post-record: 10–300 sec

Video Detection and Alarm

Trigger Events

Alarm Out, Video Push, Email, Recording, PTZ, Tour, Snapshot, Voice Prompt, Buzzer and Screen Tips

Video Detection

Motion Detection, MD Zones: 396 (22 × 18), Video Loss, Tampering and Scene Change

Alarm Input

4 Channel

Alarm Output

2 Channel

Playback and Backup

Sync Playback

1/4/9

Search Mode

Time/Date, Alarm, MD and Exact Search (accurate to second)

Backup Mode