DHI NVR2104 P I 8 Channel Smart 1U 1HDD 8PoE Network Video Recorder

System

Main Processor

Industrial-grade embedded processor

Operating System

Embedded Linux

Operation Interface

Web/operating in local GUI

Video

Access Channel

4 channels

Network Bandwidth

80 Mbps for access, 80 Mbps for storage and 60 Mbps for forwarding

Resolution

12M/8M/5M/4M/3M/2M/720p/D1

Decoding Capability

AI disabled: 1-channel 12MP@30 fps; 1-channel 8MP@30 fps; 2-channel 5MP@30 fps; 3-channel 4MP@30 fps; 6-channel 1080p@30 fps

AI enabled: 1-channel 8MP@30 fps; 1-channel 5MP@30 fps; 2-channel 4MP@30 fps; 4-channel 1080p@30 fps

Video Output

1 VGA/1 HDMI simultaneous video output by default, the maximum resolution of HDMI is 4K

Multi-screen Display

1/4

Third Party Camera Access

, RTSP

Compression

Video

H.264/.H265/Smart H.264+/Smart H.265+/MJPEG

Audio

PCM/G711A/G711U/G26/AAC

Network

Network Protocol

HTTP, HTTPS, TCP/IP, IPv4, IPv6, RTSP, UDP, NTP, DHCP, DNS

Mobile Phone Access

Android, iOS

Interoperability

(profile T/profile S/profile G), CGI, SDK

Browser

Chrome, IE9 or above, Firefox

Record Playback

Multi-channel Playback

Up to 4 channels playback

Record Mode

Priority of record mode: Manual recording > alarm recording > motion detection recording > timed recording

Storage

Local HDD and network

Backup

USB device

Playback Function

1. Play, pause, stop, fast forward, fast backward, rewind, play by frame

2. Full screen, backup (cut/file), partially enlarge, audio on/off

SMD Plus

Performance

4 channels

AI Search

Search by target classification (human, vehicle)

Face Recognition

Performance

Max 8 face pictures/sec processing

1 channel video stream face recognition

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 5,000 face images in total. Name, gender, birthday, address, certificate type, cerificate 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.

Alarm Linkage

Video recording, snapshot, log, preset, tour

Perimeter Protection

Performance

2 channels

Object classification

Human/Vehicle secondary recognition for tripwire and intrusion

AI Search

Search by target classification (human, vehicle)

Alarm

General Alarm

Motion detection, privacy masking, video loss, PIR alarm, IPC alarm

Anomaly Alarm

Front-end device going offline, storage error, full storage, IP conflict, MAC conflict, login lock, network security anomaly

Alarm Linkage

Video recording, snapshot, log, preset, tour

External Port

HDD

1 SATA port, up to 6 TB. The maximum HDD capacity varies with environment temperature

USB

2 rear USB 2.0 ports

HDMI

1

VGA

1

Network

1 RJ–45 port (10/100 Mbps), 4 RJ–45 ports with PoE power supply (10/100 Mbps)

RCA Input

1

RCA Output

1

General Parameter

Power Supply

DC 53V, 1.13A

Power Consumption

Total output of NVR is ≤ 10W (without HDD)Total output power of PoE is 38W, the maximum output power of a single port is 25.5W

Net Weight

0.50 kg (1.10 lb)

Gross weight

1.43 kg (3.15 lb)

Product Dimensions

204.6 mm × 206.4 mm × 48.1 mm (W × L × H)
8.06 inch × 8.13 inch × 1.89 inch (W × L × H)

Package Dimensions

96 mm × 364 mm × 261 mm (W × L × H)
3.78 inch × 14.33 inch × 10.28 inch (W × L × H)

Operating Temperature

-10°C to +50°C (+14°F to +113°F)

Storage Temperature

0°C to +40°C (+32°F to +104°F)

Operating Humidity

10%–93%

Storage Humidity

30%–85%

Operating Altitude

3000 m (9843 ft)

Installation

Desktop mounting

Certifications

CE/FCC