4CH Home Security System DVR KITS with 4pcs Weatherproof cameras S-11

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$167.90 / pc
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Shenzhen
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TT
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5 Pcs pc
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20000 Pcs Per Month pc/month

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Product Description:

4CH Home Security System KITS CCD IR Series 4-CH Net DVR KITS 4pcs Weatherproof cameras S-11 Security DVR kit Packing List:

1. 1×4CH H.264 Stand-alone DVR
2. 4×1/3 CMOS 800TVL Cameras  (3.6mm lens)with bracket    
3. 1×5CH Power Distribution Wire
4. 1×DC12V/5A Power
5. 1×IR Controller (Use on DVR)
6. 4×Video/Power cable (20M)
7. 1× SATA HDD (Optional ) Without HDD

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Q:Monitor the camera mentioned in the three stream, what is the meaning of ah, which three?
Three streams can achieve local transmission and remote transmission of three different bandwidth required stream, the local transmission using high-bit stream can get higher HD video storage, remote transmission using a lower stream to adapt to CDMA / ADSL and other Network and get a higher image fluency.
Q:How to install a camera at home, I can visit a website outside the home to monitor the situation?
First, through the browser login: enter the ip address and enter the user name password, you can monitor the camera's real-time picture
Q:20 meters away with the number of mm monitor camera lens appropriate?
1/4 "CCD lens in the line of sight with 1/3" CCD no difference, but the angle will be more narrow, while the shooting of the object will appear taller.
Q:Ccd monitor how the camera and computer connection
2. Video camera needs a matching power supply, usually 12v.
Q:What is the difference and connection between the optical zoom and the digital zoom of the camera in the security monitoring?
Optical zoom is that we often say that the mechanical zoom (manual and automatic), manual is the lens we usually zoom, auto zoom is common is that we use the ball machine and PTZ to pull closer to control zoom.
Q:What is the difference between a camera and a monitor?
You said the difference between the "camera and monitor", that is, family (professional) with the camera and monitor the difference between the camera, their biggest difference is the family (professional) with a camera with viewfinder (LCD or electronic images ) And the storage system (hard disk memory, flash memory, tape memory), and the monitoring camera does not.
Q:How to use video surveillance video surveillance
Forget to tell you, a decoder card (4 Road Dahua) 1200 yuan, 300 yuan conversion interface.
Q:The working principle of the camera with infrared light
Infrared emission diode (IR LED) infrared lamp principle is: by the infrared light-emitting diode matrix composed of light. Infrared emission diode from the infrared radiation efficiency of high materials (commonly used gallium arsenide GaAs) made PN junction, plus forward bias voltage to the PN junction injection current excitation infrared light. Spectral power distribution for the central wavelength of 830 ~ 950nm, half-peak bandwidth of about 40nm or so, it is narrowband distribution, for ordinary CCD black and white camera can feel the range. The emission power of the infrared light emitting diode is expressed by the irradiance μW / m2. The maximum radiation intensity of the infrared diode is generally in front of the optical axis and decreases with the increase of the angle between the radiation direction and the optical axis. The radiation intensity is 50% of the maximum value of the angle is called the half intensity radiation angle, that is, half power angle. The radiation angle of the infrared light emitting diodes of different packaging process models is different.
Q:Monitor the camera feel infrared
There are two kinds of camera lens: one is a CCD is a sense of the infrared are infrared (day and night type) lens and color lens sense of infrared lens
Q:Monitor knowledge! 1.2 m × 20 meters of the corridor with a large angle of the camera the best?
1.2 m × 20 meters corridor with 6mm and above the best number of mm, 3 m × 5 m of the room with the best 3.6. And then according to whether it is necessary to night vision function, choose the camera is not on behalf of the infrared function!
We are specializing in the manufacture of cctv cameras,color ccd cameras,B/W ccd cameras,color Dome cameras,B/W Dome cameras,Mini ccd cameras,Day/night ccd cameras,high speed cameras, Flying Sauce Cameras,wireless CMOS cameras,DVR ,DVR Board ,all-in-one camera,IP camera and lens and other safety protection video products

1. Manufacturer Overview

Location Shenzhen,China
Year Established 1993
Annual Output Value
Main Markets

China; Mid East;Western Europe
Company Certifications

2. Manufacturer Certificates

a) Certification Name  
Range  
Reference  
Validity Period  

3. Manufacturer Capability

a)Trade Capacity  
Nearest Port Shenzhen
Export Percentage
No.of Employees in Trade Department 50 People
Language Spoken: Chinese
b)Factory Information  
Factory Size: About 5,000 square meters
No. of Production Lines About 20
Contract Manufacturing OEM Service Offered;Design Service Offered
Product Price Range Cheap, professional