NVR2104/2108-4KS2

System

Main Processor

Dual-core embedded processor

Operating System

Embedded LINUX

Audio and Video

IP Camera Input

4/8 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 Capacity

1ch@8MP 30fps, 4ch@1080P 30fps

Multi-screen Display

4CH: 1/4

8CH: 1/4/8/9

OSD

Camera title, Time, Camera lock, Motion detection, Recording

Recording

Compression

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

Resolution

8MP/6MP/5MP/4MP/3MP/1080P/720P/D1&etc.

Record Rate

80Mbps

Bit Rate

16Kbps ~ 20Mbps Per Channel

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

Recording, PTZ, Tour, Video Push, Snapshot, and Screen Tips

Video Detection

Motion Detection, MD Zones: 396 (22 × 18),

and Tampering

Alarm input

N/A

Relay Output

N/A

Playback and Backup

Sync Playback

1/4

Search Mode

Time /Date, MD and Exact Search

(accurate to second)

Playback Function

Play, Pause, Stop, Rewind, Fast play, Slow Play, Next File, Previous File, Next Camera, Previous Camera, Full Screen, Shuffle, Backup Selection, Digital Zoom

Backup Mode

USB Device/Network

Third-party Support

Third-party Support

Onvif, RTSP

Network

Interface

1 RJ-45 port (10/100Mbps)

PoE

N/A

Network Function

HTTP/HTTPS, TCP/IP, IPv4/IPv6, RTSP, UDP, NTP, DHCP, DNS, IP Filter, DDNS, IP Search(Support Dahua IP camera, DVR, NVS and etc.), P2P

Optical Fiber Interface

N/A

Max. User Access

128 users

Smart Phone

iPhone, iPad, Android

Interoperability

ONVIF 2.4, SDK, CGI

Storage

Internal HDD

1 SATA III port, up to 10 TB for a single HDD. The maximum HDD capacity varies with environment temperature

HDD Mode

Single

eSATA

N/A

Auxiliary Interface

USB

2 ports (2 Rear USB2.0)

RS232

N/A

RS485

N/A

Electrical

Power Supply

Single, DC12V/2A

Power Consumption

<3W (without HDD)

Environmental

Operating Conditions

-10°C to +55°C (+14°F to +131°F), 86–106kpa

Storage Conditions

0°C to +40°C (+32°F to +104°F), 30–85% RH

Construction

Dimensions(W×D×H)

Smart 1U, 204.6 mm × 204.6 mm × 45.6 mm

(8.1″ × 8.1″ × 1.8″)

Net Weight

0.45 kg (0.99 lb) (without HDD)

Gross Weight

1.5 kg (3.31 lb) (without HDD)

Certifications

CE

EN55032, EN55024, EN50130-4, EN60950-1

FCC

Part 15 Subpart B, ANSI C63.4-2014

UL

UL60950-1