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

This depends on how much the face of the CCD friends, 1/3 is 71 degrees 1/4 is more than 51 degrees

Q:What is the reason for monitoring the camera's black screen?

Second, check the next line is a problem, if the line is no problem, it may be a camera is broken, you can use the replacement method for testing, with a good camera to replace the test, if there is an image that the camera is bad The

Q:What is the power of the camera used for monitoring?

If all of the moving point, then the power supply per set of AC24V / 2A, each 50W, 31 * 50 = 1550W, that RVV2 * 0.75 power cord is not enough.

Q:I said is the monitoring of the camera, not what home with the camera, you can monitor the leader can also record the software, or hardware did not?

Should have some of the Internet you check the big brother you are too general camera itself is a monitor do not know how you use the microphone there can be used to record a lot of audio and video software support

Q:What kind of monitoring camera is used in the store? 360 ° with the introduction of ordinary

If the store to install two, generally use diagonal installation, select 3.6MM lens, the basic can see the whole store (of course, the store is not big, about 20 square).

Q:The camera used to monitor the color of the screen is not normal. Blue as red. Red out is blue. New to buy the camera

This is the reason for the collection card, the problem is installed after the acquisition card.

Q:Is the camera pixel taller the better?

Not necessarily. First pixel of the camera you want to clear the physical pixels or software interpolation pixels, interpolation pixels only to enlarge the picture, and then use the software to calculate the color resolution between the color points, the middle of the larger part of the software to fill the color The

Q:Monitor the camera 1/3 and 1/4 of the difference there is nothing different CCD what is it

1/4 and 1/3 refer to the size of the camera's sensor chip. The camera image sensor (CCD or CMOS) has an area of 1/3 inch or 1/4 inch. The same manufacturing process and standards, the larger the image sensor (CCD or CMOS) area, the better the image quality (resolution).

Q:Monitor how much power the camera has

Monitoring the head 12 volts, the general use of 2 amps, and finally their own operator

Q:Monitor the camera screen black

Exclusion method: 1, can display the screen channel can not be displayed on the screen channel, if there is a picture description is the problem of monitoring the head. Troubleshooting power, power is not enough power. Line problems and so on.