Hunan, China
Business Range:
Consumer Electronics, Security & Protection
Management System Certification:
ISO 9001, ISO 9000, ISO 14001, BSCI
Main Markets:
Southeast Asia/ Mideast, Domestic
Terms of Payment:
OEM/ODM Availability:
OEM/ODM Service
Sample Available

Ahd DVR, CCTV DVR, Digital Video Recorder manufacturer / supplier in China, offering 4CH 720p CCTV DVR for Ahd and Tvi Cameras, 1080P Auto Tracking Wireless Smart Home IP Camera with Two Way Audio and Night Vision, Smart Home 720p/1080P Auto Motion Tracking PT IP Camera and so on.

Gold Member Since 2015
Audited Supplier
Supplier Homepage Products AHD AHD DVR 4CH 720p CCTV DVR for Ahd and Tvi Cameras

4CH 720p CCTV DVR for Ahd and Tvi Cameras

Get Latest Price
Purchase Qty. / Reference FOB Price
10-199 Pieces US $38
200-499 Pieces US $36
500-999 Pieces US $33
1,000+ Pieces US $29.9
Port: Shenzhen, China
Production Capacity: 50000 Per Month
Payment Terms: L/C, T/T, Western Union, Paypal, Money Gram
Type: Standalone
Video Compression: H.264
Compressed Format: H.264
Operating System: Linux
Application: Commercial DVR
Interface Type: BNC/VGA/HDIM

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Basic Info

Model NO.: DVR-6904
Video Input/Output: 4 Channel
Audio Input/Output: 4 Channel
Remote Control: With Remote Control
Warranty: 2 Years
Certificate: Ce FCC RoHS
Main Chipset: Hi3520DV300
Record Mode: Manual,Schedule,Motion
Video Input: 720p Tvi or Ahd or 960h Camera*4
Audio Input: 1CH RCA (Linear, 1kΩ)
SATA Devices: 1 X SATA HDD
Working Temperature: -10c~+55c
External HDD: 1 E-SATA Option
Video Recording Rate: P: 25fps/CH: N:30fps/CH
Trademark: GAOZHI
Transport Package: One Piece Packed in One OPP Bag
Specification: ce
Origin: China
HS Code: 8521909090

Product Description

4CH 720P CCTV DVR for AHD and TVI Cameras

* Main chipset: Hi3520DV300;
* 720P TVI or AHD or 960H hybrid input, auto-detect;
* Supports dual stream;
* Supports smart phone  real time remotely monitoring, such as iPhone,Android;
* Provide IE Activex,CMS,StreamView APP;
* Support P2P;                                                                                                   
* Video Input : 720P TVI or AHD or 960H camera*4;                         
* Video recording rate : P: 25fps@720P/Ch; N:30fps@720P/Ch.  

SpecificationMain chipsetHi3520DV300
AD chipsetTW2823C
GUI16-bit True Color
Operating System Embedded Linux OS
Password securityMulti-level users management, 1 Admin + 19 Users
A/V InputVideo Input 720P TVI or AHD or 960H camera*4
Audio Input1Ch RCA (Linear, 1kΩ)
A/V OutputVGA output1024*768,1280*720,1280*800,1280*1024,
HDMI output1024*768,1280*720,1280*800,1280*1024,
Audio output1 RCA 
A/V recording
&playback parameters
Video compressionH.264 Baseline
Video standardPAL/NTSC
Stream typeVideo& Audio/Video
Video recording rateP: 25fps/Ch; N:30fps/Ch
Video bit rate384kbps-2048kbps@960H,1024kbps-4096kbps@720P
Dual Stream 
Resolution (Pixel)
Main Stream  (Recording) : 720P:1280x720 ,960H: 928x576(480) 
Sub Stream (Network):1/4 Main Stream
Record mode Manual,Schedule,Motion
Video searchDate/time, Event
Audio compression16K*16bit AAC
Audio bit rate32Kbps
playback channel4Ch
Maximum capacity4TB
External HDD1 e-sata option
External InterfaceUSB Connector2 x USB2.0
Serial Interface1RS-485 serial port
Alarm input/outputNO
Network Interface RJ 45,10M/100 M  Ethernet 
NetworkNetwork protocolTCP/IP, SMTP, HTTP, DHCP, PPPoE, NTP,
Mobile DeviceiPhone, iPad,Android Phone, Android Pad
System UpgradeSupports USB update
Remote SoftwareStreamView APP, IE Browser,Google 
Chrome Browser,Firefox Browser
GeneralPower SupplyInput 100~240V, Output 12V 2A
Consumption <10W  without HDD
Working temperature-10ºC~+55ºC(14°F~131°F)
Working humidity10%~90% 
Dimension ( mm )260(W) x 41(H) x 230(D)
( without hdd )

4CH 720p CCTV DVR for Ahd and Tvi Cameras
4CH 720p CCTV DVR for Ahd and Tvi Cameras
4CH 720p CCTV DVR for Ahd and Tvi Cameras4CH 720p CCTV DVR for Ahd and Tvi Cameras

About us
Hunan Gaozhi Science and Technology Co., Limited is a High technology company with  registered capital of 4 million USD,  offers satisfactory ODM,OEM service in Security & Surveillance Field.

1.R&D Team
With 80 R&D engineers, key members are from Huawei. Gaozhi persists in technology innovation and invests about 10% of annual sales revenue in R&D. New products come out continuously with new feature& good performance.
2. Main products
AHD Camera and DVR, HVR, 720P, 960P,1080P...
POE IP Camera and NVR, 2MP, 4MP, 6MP,8MP...
WIFI IP Camera and NVR, 2MP,4MP...
Smart Home WIFI Cameras, 720P, 1080P... (key features: auto tracking, plug and play, motion detection...)
Smart camera kits and doorbell...
3. Primary Advantage
* Excellent & stable quality approved by famous distributor
* Big capital-supported by government
* Strong R&D team, customized service 
4. Delivery time
Sample order: 1-3 days
Mass production: 2-4 weeks
5. Certifications
Comes with CE, ROHS, FCC and RED certification.
6. APP & Software
PC software is SmartClient and phone APP is StreamView, 
they are developed by ourself and free, welcome to download it.

7. Compatibility 
 IP Cameras Support onvif 2.1,seamless integrated with different brand NVR. 
NVR can only support our Ip camera .

8. Warranty 
2 years free repair warranty. For the confirmed defective products, will send free replacement in the next shipment.

9. OEM/ODM Service 
Strong RD team from HUAWEI with 11 years experience, provide satisfactory ODM service.  You can have your OWN logo or start-up screen for free if quantity meet the MOQ. Same to Customized package .

10. Surveillance Distance 
A. 2.8 mm lens : Less than 10m 
B. 3.6mm lens :10m-20m 
C. 6mm lens : 30m-50 m 
(We have 2.8-12 mm auto-Focus camera for long distance & special condition. )

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