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Shenzhen QOHO Electronics Co.,Ltd
Shenzhen QOHO Electronics Co.,Ltd Professional Vehicle Security Equipment Leading Manufacturer Vehicle Security Equipment! Mobile DVR,Vehicle CCTV,Bus DVR,Car DVR,Vehicle Surveillance!
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4 Channel HDD Car Mobile DVR ,GPS 3G WIFI HDD car mobile DVR factory

Shenzhen QOHO Electronics Co.,Ltd
Shenzhen QOHO Electronics Co.,Ltd
City: Shenzhen
Province/State: Guangdong
Country/Region: China
Tel: 86-755-88832758
Contact Person:
Miss Betty zhao

4 Channel HDD Car Mobile DVR ,GPS 3G WIFI HDD car mobile DVR factory

Brand Name : QOHO
Model Number : QH-MDVR8104H
Certification : CE,FCC
Place of Origin : China
MOQ : 1pc(sample test)
Price : Negotiate
Payment Terms : T/T or West union
Supply Ability : 10000pcs/month
Delivery Time : Within 5-7 days after received payment
Packaging Details : 8pcs/CTN
Resolution : 4ch 720P AHD MDVR
Model : MDVR8104H
GPS : Support as optional
3G : Support as optional
4G : Support as optional
WIFI : Support as optional
UPS battery : Support as optional
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4 Channel HDD Car Mobile DVR Camera Connect With Converted Cable


• 4-CH HDD mobile DVR can support alarm button, intercom, LED panel(MDVR work status) and BUS IC reader function.

• 1TB HardDisk anti-vibration or SD.

• 4-CH Full D1 3G Mobile DVR.

• H.264 video compression.

• Supports 3G(WCDMA/EVDO/HSPA)/4G network.

• supports 4 channels full D1, 8 alarm input, 4 alarm output. wifi and GPS.

• UPS battery support 1 hours after power off.

It can install all kinds of vehicles, such as, taxi, bus, school bus, truck, trailer, car, SUV, ambulance and so on.

Product Technical parameters:



Chinese/ English

Operation system


Operation interface

Graphical User interface(OSD menu)


User /Admin password

Control mode

IR remote control


Video input

4-ch video composite input

Video output

1-ch composite output

Display mode

Single/ 4-ch video

Video compression

H.264 Main profile

PAL:100f at D1/s, NTSC: 120f at D1/s

Video Signal



Audio input

4-ch audio input

Audio output

1-ch audio output

Recording mode

Audio & Video sync Recording


Support IP call and analog voice call

Image processing & storage

Image format mode

CIF/HD1/D1 optional

Video stream Standard


Video bitrate

CIF: 1536Kbps ~ 128Kbps,4 levels optional. 

Highest:0 level; Lowest: 3 level

HD1: 2048Kbps ~ 512Kbps,4 levels optional. 

Highest:0 level; Lowest: 3 level

D1: 4Mbps ~ 1Mbps,4 levels optional. 

Highest:0 level; Lowest: 3 level

Audio Bitrate



Built-in a SATA HDD, support HDD Max 1TB;

And built-in a SD card, Support SD card Max 128GB;


Alarm input

8 alarm input, below 4V is low level alarm, above 4V are high level alarm

Alarm output

2 alarm output, output high level:12V

Communication Interface

RS485 Interface

Support 3-RS485 interface

RS232 Interface

Support 1-RS232 interface

WIFI Interface

Support RJ45 interface external 802.11b/g

USB interface

Include 2 USB interfaces,1 USB interface connect with external Vehicle Black data box, another USB interface to upgrade software and copy data.

Audio&Video interface

Support Audio and Video output

Acceleration Sensor

Built in acceleration G-Sensor



GPS module. GPS Graph and GPS speed can be read in coding flow, and

can beuploadedvia wireless




RJ45 interface external WIFI, IEEE802.11n, Up to 300 Mbps physical data transfer speed, satisfy huge data Transmission;


PAS(Playback Analysis Software)

Playback Recording on PC, and analyze the vehicle recording information.

CMS(Center Management Software)

Center management software to meet Video preview, upload and central command and parameters configuration, etc.

Software upgrade

U-disk upgrade directly.

MDVR Electric Specifications




Power input


Input voltage:+8V~+36V, When long-term under 8V, or long-term over 36V, Auto power off, enter protected mode.

Power output


12V(+/-0.2V), Max:3A.

Power-off working time


If main power supply is off, MDVR can continue running 8 seconds. If connect built-in Patent UPS power-supply, MDVR can continue running 30 minutes.

Vehicle key signal





Video input impedance


75Ω for each video input impedance

Video output Volt


Input 2Vp-p CVBS analog signal, reveal device input need 75Ω impedance to fit

I/O interface


Low level alarm

4V above

High level alarm

-4V below

Negative voltage alarm

Operating Temperature


Under well-ventilated environment condition.

Body Dimension

186(W)mm x 61(H) x 192(L)mm

Our mobile DVR and car cameras have been got great effect from over all the world!

Installation picture.

Our mobile DVR and car cameras have had a great contribution for Government and Policeman in Australia!

HDD Mobile DVR can install all kinds of vehicles, bus, school bus, car(SUV), taxi, truck and longer trailer and so on...

4-CH Full D1 3G Mobile DVR SATA HDD

Product size:

Product work diagram:


Remote view in real time recording on Iphone/Ipad/Android phone/PC once MDVR is built-in 3G.

Support Intercom and Alarm button:

LED panel for MDVR working status

Work 1 hour after power off

Support Bus IC reader

Production line:

Playback all video file and GPS tracking(Playback Analysis Software).

Center Management Software:

CMSViewer(Remote view in realtime recording once mobile DVR is built-in 3G):

Remote live via via website/internet for FLV format.

Product Tags:

mobile digital video recorder


surveillance system dvr

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