Gold Member Since 2015
Audited Supplier
Hunan Gaozhi Science and Technology Co., Ltd.

Ahd DVR, CCTV DVR, Digital Video Recorder manufacturer / supplier in China, offering 4CH 720p CCTV DVR for Ahd and Tvi Cameras, OEM ODM Wireless Smart Home WiFi IP Security PTZ Camera, Wireless 1080P Auto Tracking WiFi Camera for Home Security and so on.

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Supplier Homepage Product AHD AHD DVR 4CH 720p CCTV DVR for Ahd and Tvi Cameras

4CH 720p CCTV DVR for Ahd and Tvi Cameras

Purchase Qty.:
(Pieces)
10-199 200-499 500-999 1,000+
FOB Unit Price: US $38 US $36 US $33 US $29.9
Purchase Qty. (Pieces) FOB Unit Price
10-199 US $38
200-499 US $36
500-999 US $33
1,000+ US $29.9
Get Latest Price
Port: Shenzhen, China
Production Capacity: 50000 Per Month
Payment Terms: L/C, T/T, Western Union, Paypal, Money Gram

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Basic Info
  • Model NO.: DVR-6904
  • Video Compression: H.264
  • Operating System: Linux
  • Interface Type: BNC/VGA/HDIM
  • Audio Input/Output: 4 Channel
  • Warranty: 2 Years
  • Main Chipset: Hi3520DV300
  • Video Input: 720p Tvi or Ahd or 960h Camera*4
  • SATA Devices: 1 X SATA HDD
  • External HDD: 1 E-SATA Option
  • Trademark: GAOZHI
  • Specification: ce
  • HS Code: 8521909090
  • Type: Standalone
  • Compressed Format: H.264
  • Application: Commercial DVR
  • Video Input/Output: 4 Channel
  • Remote Control: With Remote Control
  • Certificate: Ce FCC RoHS
  • Record Mode: Manual,Schedule,Motion
  • Audio Input: 1CH RCA (Linear, 1kΩ)
  • Working Temperature: -10c~+55c
  • Video Recording Rate: P: 25fps/CH: N:30fps/CH
  • Transport Package: One Piece Packed in One OPP Bag
  • Origin: China
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,
1440*900,1920*1080(1080P)
HDMI output1024*768,1280*720,1280*800,1280*1024,
1440*900,1920*1080(1080P)
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
Display1/4/SEQ  
Audio compression16K*16bit AAC
Audio bit rate32Kbps
playback channel4Ch
HDDSATA Devices 1 x SATA HDD
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,
DDNS,UPnP,FTP,RTSP,Onvif,P2P
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)
FanNo
Working humidity10%~90% 
Dimension ( mm )260(W) x 41(H) x 230(D)
Weight
( without hdd )
1.6kg

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...
NVR Kits, WIFI NVR Kits
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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