Security Multi-Cam System

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Product Description:

· Channel-scan for multi-camera monitoring
· Night vision (Effective range: 7m)
· Alloyed shell, Weather-proof structure for outdoor installation
· Built-in microphone for audio monitoring
· Up to 100m (330ft.) Transmission range in open space
 


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Q:Elevator in the monitor camera lens focal length with the number
Usually 3.6 mm lens angle can cover the entire elevator, 2.8 mm wide range for more space for the elevator. The larger the number of millimeters, the narrower the angle of view, look farther
Q:How to use the network cable to connect the surveillance camera?
Network cable to do monitoring line in two ways, but depends on the camera's video transmission.
Q:Ask the professional to answer, monitor the camera with water ripples
There is a woody jam on the monitor. The presence of this kind of interference does not overwhelm the normal image at a slight time, and the image can not be viewed in a serious way (even breaking the sync). This kind of fault phenomenon is more complicated and complicated.
Q:What is the maximum visual range of a video surveillance camera?
And the lens, light board angle, detailed advice Jinrui as surveillance cameras
Q:Outdoor surveillance camera that kind of good, how the price
Depends on your installation of specific environment, such as to see the distance, temperature and humidity, whether with infrared, etc., generally Hikvision, Samsung and Panasonic more affordable point
Q:How to find the camera dead ends
You see him in front of a lens! In front of the camera up and down about 80 degrees outside the corner are monitoring dead ends, the greater the number of the largest number of lens lens farther, the smaller his angle, dead on the big. Adopt it!
Q:Monitor the camera what models
Longitudinal and under the "and too" series for the industry's top ten users recommend the brand. Product quality and cheap, trustworthy! Longitudinal and was with the major government, military, schools, enterprises and institutions are all cooperation.
Q:What is the effective range of infrared surveillance cameras?
6 mm more than a narrow angle lens, the general effective distance is about 100 meters. And some 25 mm is about 150 meters, if the high-speed laser PTZ machine can reach 300 meters of infrared distance, but this cost is very high, about 13,000 or so, commonly used lens general angle is as follows: 2.8mm 101 ° 3.6 Mm 83 ° 4mm 76 ° 6mm 53 ° 8mm 35 ° 12mm 28 ° 16mm 21 ° 25mm 13 ° 1 / 3CCD and 1/4 CCD angle difference around 20 ° Hope to help you.
Q:Monitor the camera often flashing why
Monitor the camera with analog and digital. Often flashing; 1 check the line interference, 2, video cable connector whether there are signs of bad contact,
Q:Monitor the camera image virtual how the matter
3, poor interface. This is generally for the simulation of the BNC interface for a new BNC head to try.

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