4CH Home Security System DVR KITS with 4pcs Weatherproof cameras S-5

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$144.90 / 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-5 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:Explosion-proof surveillance cameras can be installed directly on the top of the tank
Need to do a bracket, can not be installed directly, need to see the actual situation
Q:What is the difference between a camera's double point and a single lamp point?
Array infrared night vision technology, the essence or through the camera to launch active infrared light way night vision effect, but the use of advanced packaging technology, dozens of high-power, high efficiency of the infrared crystal package in a plane. The advent of this technology, access to the extraordinary rapid development.
Q:Monitor the difference between the camera 720p and 1200 lines
Simply from the literal point of view, 1200 lines look better than 720P, but the actual effect, the 1200 line of the camera is through digital-analog conversion, and the effect of CMOS lens application in the simulation system, matching the problem (popular say acclimatized) , So the image of the 1200 line is much worse than the 720P image.
Q:What is the black box that monitors the camera connection?
There may be a power adapter, there may be Guangduan Ji, there may be a video distributor, there may be a screen splitter, there may be a hard disk video recorder, do not know which one you say.
Q:What kind of surveillance camera is good
The aperture is large, the image will be relatively clear), the aperture (the greater the aperture, the lower the light the better the imaging effect), if no lights at night, then the infrared function, you do not have to consider the PTZ. According to these parameters to sell security shop can buy the right
Q:Hello, because no electric video recorder did not manually set, but I would like to look back a few days before the monitor can be transferred out
3, the operator will not operate the hard disk video recorder, did not correctly follow the normal steps to call the DVR video. 4, hard disk video recorder motherboard problems.
Q:Monitoring the camera has a 700 line with 1080 lines of 900 lines is what does that mean? consult
700 lines refers to the horizontal direction of the camera's resolution is 700 lines. The number of digits indicates that the higher the resolution, the more details you can shoot.
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:How many mm meters I use to monitor the camera
3, the cash register camera is designed to monitor the behavior of the cashier or monitor the action of the payer? Because the installation of these two conditions are different, regardless of who to monitor, to be installed in the opposite of the monitor, if you want to see the face of the monitoring object, the installation should not be above the cash register, or as satellite images, Only to see the head, and the general cash register is installed in the side, both sides of the face and cashmere action can take care of, as to whether the hemisphere, to see your environment decided, in addition to the installation site, no principle difference.
Q:Monitor the camera live
It's static Your camera does not have to be grounded for a long time The static will accumulate You will touch it until he will suddenly discharge So you feel he has electricity You can give the monitor system a regular power outage or discharge on it
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  
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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