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

Ref Price:: $144.90 / 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 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

Q: Will a 12V10A switching power supply with a few 12V2A surveillance camera? How far can its DC current output? Please have experienced master answer, thank you: 12V10A switching power supply with 5 12V2A surveillance camera.

Q: Monitor camera parameters how to see: Field of view: In engineering practice, we often use the horizontal field of view to reflect the shooting range of the screen. The larger the focal length f is, the smaller the viewing angle is, and the smaller the screen range is formed on the photosensitive member. On the other hand, the smaller the focal length f is, the larger the field angle is, and the larger the picture range is formed on the photosensitive member.

Q: 20 meters away with the number of mm monitor camera lens appropriate?: At the same time, the same focal length, length and width shooting range also with the camera CCD has a relationship. Charge - coupled Device, Charge - coupled Device. It is a semiconductor device that converts optical images into electrical signals. At present, most of the CCD chip used in the surveillance camera is 1/3 "and 1/4", that is, the target size is 1/3 inch and 1/4 inch. CCD target surface size, CCD and lens with the situation will directly affect the size of the field of view and image clarity.

Q: Office area monitoring camera how to choose?: 3, and then there is clarity, and optional analog cameras and network high-definition camera, which is higher pixels, the price is relatively expensive

Q: What is the difference between a dome camera, a gun camera and a dome camera in security monitoring?: Hemisphere is generally installed ceiling, the bolt is installed on the wall, whether with infrared light, the size of the lens according to the actual situation and customer requirements to consider. The dome can be rotated 360 degrees, set the preset position can be automatically cruise, you can automatically zoom to the center of the scene picture auto focus, keep the image clear, you can also manually focus.

Q: Monitor the camera automatically zoom, electric zoom, manual zoom, zoom lens meaning and difference?: Manual zoom: Change the focus on the front-end camera by manually rotating the lens. This function usually appears in the bolt + manual zoom lens configuration, set once, do not change later, if you want to change the focal length, need to open the shield again, rotate the lens. This type of lens usually needs to adjust the focus ring after the zoom work is completed.

Q: What color is the monitor when the camera is turned on?: Most of them are red, there are white light and no red light at night no light, and the specific relationship between the wavelength of infrared light.

Q: What is the number of lines that a surveillance camera needs to use?: 3, the control line (it is the PTZ, the spherical camera control line, with a two-core dvvr line)

Q: How to clean the surveillance camera: With a special degreasing clean cotton dipped in distilled water from the middle of the lens spiral to wipe out. Be patient and wipe a few times until the dust is wiped off;

Q: Does the infrared surveillance camera automatically alarm when someone enters the monitoring range?: The camera itself does not work, through the acquisition card, or hard disk video recorder, you can detect the mobile body will alarm,

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