DAHUA MHVR8004-GFWI 4 Channels H.265 2 SD Mobile Video Recorder

System

Main Processor

Embedded microprocessor

Operating System

Embedded LINUX

Audio

Audio Compression

G711A, G711U, G726, PCM

Audio Output

1 channel

Audio Sampling

8KHz, 16 bit

Image

Image Compression

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

Resolution

1080p (1920×1080) for all channels

Video

Video Input

2 channels of digital video signal input ; 2 channels of HDCVI analog video signal input (DSM/ADAS)

Video Output

One channel of CVBS output through EXTEND port

Video Frame Rate

PAL: 1fps–25fps
NTSC: 1fps–30fps

Multi-screen Display

1 window, 4 windows, 6 windows

Tour

Timed auto control, dynamic surveillance and alarm.

OSD

Channel, time, license plate, GPS

Color

Set tone, brightness, contrast, saturation and gains for each channel's video image.

Alarm

Alarm Input

4 channels

Alarm Output

2 channels,1 relay out, 1 Controllable 12V 0.75A out

Linkage

Snapshot, tour, recording, buzzing and email.

Hard Disk

Quantity & Storage Space

2 SD cards, each with max storage capacity up to 512G.

Function

Recording Priority

Manual recording > alarm recording > motion detection recording > Timed recording

Recording Resolution

1080P for all channels

Recording Lasting Time

1min–60 min (default: 60 min), pre-record: 1 sec–30 sec, post-record: 10 sec–300 sec

HDD full

Stop Record;Overwrite

Recording Searching

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

Recording Playback Speed

Several playback rates of slow playback or fast playback; playing video backwards; manual single frame playback

Recording Playback Switching

When playing a recording, with one click, switch to recording in another channel whose play time will the same one.

Playback

1 channel

Digital Zoom

When playing recording in a full screen, select a region on the screen to enlarge it.

Motion Detection

396 motion detection regions for each channel; different sensitivity levels selectable for a region.

Video Loss

Yes

Vehicle Event Detection

Rolling over and hitting detection

Storage Capacity Extension

Extends storage capacity by USB flash drive or mobile hard disk.

User Management

Management of users of different roles

User Password Security

Yes

Program Upgrade

Upgrade by web, MHVR client or other tools; by USB flash drive

Port

SD Card

2, with max 512G storage capacity

USB Port

2, USB 2.0

Network Port

1, RJ45 10M/100M self-adaptive Ethernet port

RS–485

1

RS–232

2

CAN

1

CVBS

1, used together with special mobile display

Wi-Fi

Optional

3G/4G

Optional

GPS

Optional

AI

Face Comparision

Max 30,000 face images, 20 face databases

Driver Status Monitoring

DSM: Smoking, calling, yawning, looking around unfocused, being absent
ADAS: Warning of cars hit; detection of lane departure

Performance

Support max 2 intelligent rules for channels at the same time

Others

Power Supply

6V DC–36V DC

Power Consumption

≤12W (only for MHVR and without any peripheral)

Operating Temperature

-30°C to +70°C; 10%–90%

Dimension

138mm×160mm×49mm

Gross Weight (Package Box Contained)

1.63kg

Certifications

CE

FCC

EN50155

ISO7637-2

ISO16750

Yes