Q:Seeking a few surveillance camera manufacturers

Hai Kang, Dahua, Yu as, with the Corning are domestic good, to see where you want to use, the environment is different from the choice of the camera is also different, the price gap is also great,

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

Array infrared camera in the field of monitoring the application of the biggest advantage is to solve the problem of LED light source cooling, with high luminous efficiency and luminous intensity, photoelectric conversion efficiency than ordinary infrared LED camera increased by about 25%, the efficiency can reach 45% Greatly reduce the energy consumption, increase the lighting distance, while extending the life of the camera, array infrared night vision camera life is generally 9 times the life of ordinary infrared camera.

Q:How does the surveillance camera solve the backlight problem?

First, adjust the orientation of the entrance camera equipment, try to avoid direct sunlight from the outside, to a large extent to improve the entrance of the backlight appearance. For example, the bank door equipment needs to monitor the staff to monitor the entry and exit personnel, if we will be facing the entrance of the camera equipment, you can encounter a more severe anti-light appearance, will cause the camera to monitor the screen black, can not see what photos, At this time, the engineers will monitor the entrance of the camera flip, so that the camera lens out of the network of personnel, which is better than the role of the camera on the entrance device, you can better deal with backlight problems.

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

Just a few mm words of the camera, usually refers to the lens of the focal length of the optical parameters.

Q:What is the camera's shooting range? How much is the diameter?

The lens used in the camera is similar to the SLR camera, and is arranged in the order of 2.8mm, 3.6mm, 4mm, 6mm, 8mm, 12mm, 16mm, 24mm and so on. The smaller the number of millimeters, the wider the picture taken by the lens, but the closer the distance is; the larger the number of millimeters, the narrower the screen taken by the surveillance camera, but the farther the distance is.

Q:How to use video surveillance video surveillance

Then a video server, just fine ... ... video line above to be a three links

Q:The monitor camera does not display the image on the display

The camera directly connected to the hard disk video recorder, if there is no image, there is a problem line.

Q:Network surveillance camera, at home, the mobile client can be used, but after the connection network, the client shows the ID is invalid, what is the situation?

In the home wifi, belonging to a network, outside the external network, have a fixed IP

Q:Monitor how the camera will suddenly no color

2, the normal light, manual control with a switching function of the camera to black and white mode;

Q:I installed a monitoring camera admin user password forgotten! How do you handle

Terry: username admin password empty