Q:How to find the camera dead ends

This area is a little content is also basically invalid. You can understand this: he is absolutely below the corner, there can be their own myself, its perspective (apply medical biology in the term) and then do a isosceles triangle, the vertex is the camera, do this triangle vertical , That is, right triangle, and then you even if it is estimated that junior high school students will be considered! living comfortably without anybody's help!

Q:Seeking a few surveillance camera manufacturers

Joint venture brand can also be considered, first-line products or import or joint venture.

Q:Will monitor the camera should buy much. Room size of 8 meters 7 * 3 meters 3, is expected to use four camera monitoring head. Will the camera to buy much?

The lens can choose 3.6MM, how many lines of their own election it, the higher the more clear, now generally the highest is 700 lines.

Q:What is the difference between a camera's double point and a single lamp point?

Array infrared night vision technology, the essence or through the camera to launch active infrared light way night vision effect, but the use of advanced packaging technology, dozens of high-power, high efficiency of the infrared crystal package in a plane. The advent of this technology, access to the extraordinary rapid development.

Q: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,

Mode. CMOS is complementary to each other metal oxide semiconductor, CMOS is mainly the use of silicon and germanium made of these two elements of the semiconductor, through the CMOS on the negatively charged and positively charged transistor to achieve the basic functions

Q:Does the surveillance camera itself have a record storage function?

But there is a class called the camcorder camera itself with a storage function, you can play through the menu video playback

Q:What is the meaning of monitoring the camera mm?

10mm or so focal length, is a wide-angle focal lengths. Mainly for landscape photography, documentary photography, according to the angle of view is very large, very shocking about 24mm focal lengths, is a small wide-angle, mainly for landscape photography, documentary photography, travel commemorative photo with this focal length of about 50mm The focal length is about the standard focal length, which is mainly used for landscape photography, portrait photography, documentary photography and so on. It is the focal length. The focal length is mainly used for the portrait, still life and so on. Focal length, the focal length is often used to capture, close-up and so on about the focal length of about 500mm, is a long focal length, the focal length has been able to shoot birds and other superfluous 500mm super telephoto, birds more convenient, Super telephoto is often used in sports photography

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

Fifth: on-site monitoring and network monitoring When you determine the monitoring system installation, to consider whether the need for network functions, that is to say if you need to monitor the site at any time to monitor and control, you need to select a network-enabled monitoring host The To avoid the installation is complete but no network transmission function.

Q:How quickly remember to monitor the camera model, to do business, such as the DS_2CD3T20D-I5 which is what is the Thank you

1.4 The camera type code is represented by an Arabic numeral, see Table 1. Code definition 1 General type camera 2 Integrated camera 5 Dome camera 7 IP dome camera 8 IP gun type camera

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,