Security Camera With Recorder

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Product Description:

· Wireless AV transmission for home/business surveillance
· Provides image/video compression and storage
· Night vision (effective range: 7m)
· Motion-initiated recording to plug-in SD card
· Weather-proof design for outdoor usage
· 4 channels available to avoid interference
· Up to 100m (330 ft.) transmission range in open space

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Q:Monitor the camera what is the zoom: The lens is equivalent to the human eye lens, if there is no lens, the human eye can not see any objects; if there is no lens, then the camera output image is a vast expanse of white, no clear image output, which with our home camera and camera principle Is consistent. When the human eye can not stretch the lens to the normal position, that is, people often say myopia, the front of the scene becomes blurred; camera and lens with a similar phenomenon, when the image becomes unclear , You can adjust the camera's back focus, change the CCD chip and the lens reference plane distance (equivalent to adjust the position of the human eye lens), you can blur the image becomes clear. Thus, the role of the lens in the closed-circuit monitoring system is very important. Engineering designers and construction workers should often deal with the lens: the designer according to object distance, imaging size calculation lens focal length, the construction staff often on-site commissioning, part of the lens is to adjust to the best condition.

Q:How to clean the surveillance camera: Finally, wipe the lens with deerskin clean.

Q:How to use the network cable to connect the surveillance camera?: 1, the use of two of the network cable transmission video. If the camera is a direct video output, usually with a dedicated video cable video, but also useful cable transmission video (only two of them), often in order to save costs.

Q:How to choose to monitor the camera and video capture card?: Monitoring system installation first determine the existing computer to install the monitoring card (this method is now rarely used), or embedded hard disk video recorder to do your monitoring host. Use the computer to install the monitoring card, suitable for familiar with the computer installation, a professional staff on duty, more functional requirements of the place. But the computer needs 24 hours to boot, and easy to crash in the virus or poor heat and other issues; the use of embedded hard disk video recorder does not require professional knowledge, do not need to keep, the operation is very simple, like the use of VCD as convenient;

Q:Monitor what is good for video recorders: Dahua's software is easy to use, but DVR's BNC plug is easy to loose, resulting in poor contact, sometimes the channel screen will not show or interfere with the screen.

Q:What is the number of lines that a surveillance camera needs to use?: 2, video cable (transmission video signal, syv75-3, syv75-5, syv-75-7 these three are the most commonly used)

Q:I press the Zhongwei monitoring, power and camera are good, that is not seen friends: If the video file is modified to 0, still can not connect the image, it may be the problem of Internet cats, it is recommended to replace ZTE 831B. There may be restrictions on the Internet cat itself.

Q:What is the number of millimeters that monitor the camera?: And then the zoom is generally wide angle is more than 90 degrees above the normal is about 30 degrees long focal length is less than 20 degrees

Q:Seeking a few surveillance camera manufacturers: Ah, the first file Haikang Huayu as the world of Albert Habitat for the second tranche of the best letter Jodi Wei Le Corning navigator and other third file Xu Ying Eagle as the world Jeddah Black Hawk emperor Xiang Fei, etc., because the situation around Not the same, I basically this is the case, only for reference without any slander any manufacturers mean

Q:Monitor the camera often flashing why: Video head problems, poor contact performance. The video head to try again.

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