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FAQ

What is the difference between a dome camera, a gun camera and a dome camera in security monitoring?

Ball with the above two biggest difference is that the ball can control the keyboard to control, generally installed in the need to monitor the relatively large range of the hall, outdoor large area. General bolt and hemisphere price almost. Cheaper on the hundreds of pieces, good also two or three thousand. But the ball will be very expensive, made in the thousands of good brands will reach two or three million.

What is the difference between a camera and a monitor?

Monitor (accurately should be called the monitoring system), including video surveillance system, infrared monitoring system, audio monitoring system and so on. Among them, the video surveillance system includes a camera (surveillance camera).

3.6mm and 6mm surveillance camera can see the screen angle is how much

3.6MM angle is generally about 87 degrees 6MM angle is 60 degrees. The scope of the monitoring is not the same, a clear distance is not the same, 3.6MM lens is generally the best clear distance of 7-8 m 6MM lens the best clear distance of 15 meters 3.6mm: 90 ° about 6mm: 60 ° 8mm: 45 ° about 12mm: 35 ° or so

Now the surveillance camera really tmd nonsense, four hundred or five hundred products with more than a hundred USB camera are not as good as poor resolution did not shadow, and generally are so, monitoring products are pit father,

of. The current generated by these two complementary effects can be recorded and interpreted by the processing chip as an image. CMOS CCD for the most important advantage is very power. Unlike the diode composed of CCD, CMOS circuit

I would like to ask how the video surveillance camera is powered?

???You can use a centralized power supply, so easy to manage. You can go to the market to buy an equivalent voltage, but the power is much larger power module, and then put all the cameras Of the power lines are connected, (positive to the lower, negative to the negative, must not be reversed) and then unified connected to the power module.

How to choose to monitor the camera and video capture card?

Second, the installation of monitoring equipment needs to be sure to install several cameras and determine the monitoring range and image quality of each camera. First determine the number of cameras to monitor, and then according to the specific circumstances to determine the camera lens monitoring range: the camera must be clear to the monitoring point of the distance and the need to monitor the area, as the clarity, Ai Wei technology that: analog monitoring system 700 lines Cameras, and network digital monitoring system, millions of high-definition camera prices are very cheap, can be selected according to actual needs.

Monitor the flash indicator on the DVR panel

Which lights are flashing? Hard disk lights and network lights flash is normal

What is the difference between a wireless surveillance camera and a cable surveillance camera?

Wired relative to the wireless signal a little better, the wireless a little easier, the quality of a clear choice of cable is better.