4CH Home Security System DVR KITS with 4pcs Dome Cameras S-12

Ref Price:: $155.25 / pc

Loading Port:: Shenzhen

Payment Terms:: TT

Min Order Qty:: 5 Pcs pc

Supply Capability:: 20000 Pcs Per Month pc/month

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4CH Home Security System KITS CCD IR Series 4-CH Net DVR KITS 4pcs Dome cameras S-12 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

Q:Infrared surveillance camera at night (no light) no picture and flash is how the matter: Is the daytime image normal? If the normal day, it is likely that the infrared light-related components are broken, there may be problems with the photoresistor.

Q:What is the meaning of monitoring the focal length in the camera?: So, you want to see a wide range, to choose a small aperture of the lens, but to see the target will be smaller.

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:Monitor the camera hemispherical gun shape which is good: Not look at the shape, the two if the internal configuration are the same, then look at the installation of the bit! The General indoor hemisphere, outdoor bolt, there are indoor bolt. But no outdoor hemisphere, the reason is inconvenient to install!

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?: What brand of network camera do you use? Is it safe for Shenzhen? Their home is relatively simple I take this to you: you have to re-add equipment in the external network, you put the serial number of the device into the re-enter (rather than search, search out all the network), add good You can see

Q:Hai Kangwei as the camera mapping problem: If the phone also want to monitor the settings, then, this one must be indispensable. Open the phone settings, and then must remember to monitor the port Yo

Q:Monitor the camera image virtual how the matter: 2, line aging. Resulting in poor line shielding, near the interference source on the line caused by image jitter is not clear. Replace the line can be resolved.

Q:Remote monitoring principle: When the alarm occurs, the alarm decoder will be linked to the alarm output device, and through the alarm decoder to enter the alarm signal RV-2000 video terminal, and transmitted to the monitoring center, the monitoring center of the video server to receive the alarm signal immediately after the sound signal, Record alarm events, such as hard disk video alarm operation.

Q:What is the meaning of monitoring the camera mm?: 10mm or so focal length, is a wide-angle focal lengths. Mainly for landscape photography, documentary photography, according to the angle of view is very large, very shocking about 24mm focal lengths, is a small wide-angle, mainly for landscape photography, documentary photography, travel commemorative photo with this focal length of about 50mm The focal length is about the standard focal length, which is mainly used for landscape photography, portrait photography, documentary photography and so on. It is the focal length. The focal length is mainly used for the portrait, still life and so on. Focal length, the focal length is often used to capture, close-up and so on about the focal length of about 500mm, is a long focal length, the focal length has been able to shoot birds and other superfluous 500mm super telephoto, birds more convenient, Super telephoto is often used in sports photography

Q:Monitor camera resolution 752 * 582 is high HD it: HD usually refers to 1280 * 720 (referred to as 720P) or 1920 * 1080 (referred to as 1080P). 752 * 582 is not high definition.

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