4CH Home Security System DVR KITS with 2pcs Weatherproof cameras 2pcs Dome cameras S-7

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$138.00 / 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 2pcs Weatherproof cameras 2pcs Dome cameras S-7 Security DVR kit Packing List:

1. 1×4CH H.264 Stand-alone DVR
2. 4×IR CCD Cameras  ( 480TVL, 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 image of the camera appeared black and white colorless situation, is this how is it?
What about the surrounding environment? If the ambient light is poor, there will be black and white screen. If you take into account the machine itself, the photoresistor may be broken and can not be switched.
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:Ask the professional to answer, monitor the camera with water ripples
The most common symptom in video transmission is the presence of a black bar or a white bar on the monitor's screen and scrolling up or downwards. Therefore, in the analysis of such failure phenomenon, to distinguish between the two different causes of failure.
Q:What is the maximum visual range of a video surveillance camera?
Visual range with the camera lens: General: 4mm angle of exposure of 70 degrees, about 6 meters away
Q:Outdoor surveillance camera that kind of good, how the price
In the TV monitoring system engineering design, often involves the TV monitoring system equipment selection, especially the front-end camera part and the terminal display part of the match is very important. Therefore, we use the TV monitoring system equipment, can not be any match, according to the monitoring of the environment of the environment and the conditions of illumination and the requirements of the target to be monitored, follow a certain principle to choose.
Q:Home surveillance camera with which brand is good?
But recently they saw their home out of the new monitor, baby monitor, the family can consider a child ah, in fact, this can also monitor the child, but that part of the function is for the children. Can choose according to their own needs.
Q:Network surveillance camera, at home, the mobile client can be used, but after the connection network, the client shows the ID is invalid, what is the situation?
You use the wifi at home and your network camera is in the same network, and in the outside belongs to a different external network, before the landing mode is the way the network landing, so do not see outside.
Q:Monitor the hard disk on the recorder is what format without formatting
Commercialized, stereotyped surveillance video recorder format you do not have to consider. You only need to set the pixel (or fine level), several frames per second, date and time.
Q:Monitor the top ten cameras
Foreign brands: SONY, Panasonic, Samsung, Sanyo, Pyle high, Honeywell, and so on domestic brands: Yaan, Ming King, SOWZE, Hai Kang Wei as. The The Too much
Q:The camera used to monitor the color of the screen is not normal. Blue as red. Red out is blue. New to buy the camera
This is the reason for the collection card, the problem is installed after the acquisition card.
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