Q:What color is the monitor when the camera is turned on?

Most of them are red, there are white light and no red light at night no light, and the specific relationship between the wavelength of infrared light.

Q:Zhongwei HD monitoring system IP address is not how to do

Click on the problem of the screen, right - remote management - network management, the IP address can be changed to other IP (such as 192.168.1.172, etc.), change the device management interface, a key to set IP, so there will be no IP conflict Causing the camera can not use the problem.

Q:What is the maximum visual range of a video surveillance camera?

Camera monitoring to its monitoring range is no dead!

Q:What is the meaning of monitoring the focal length in the camera?

Under normal circumstances, the fixed focus of the surveillance camera, the seller told the larger size, through the camera to see the target larger (that is, look far), but the narrower the angle of view (observation range), the shorter the depth of field. The smaller the size of the lens, the smaller the target (see near), the wider the viewing angle (the viewing range), the longer the depth of field.

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:Monitor the camera's 4-way, 8-channel What does it mean! The

Fourth, and eighth, sorted by number

Q:Monitor the use of the camera

Depends on what you use, the use of more than 1. to prevent the occurrence of traffic accidents. For example, on the highway if there is no monitoring of the camera monitoring, some people will drive speeding, resulting in traffic accidents, which will

Q:There is a surveillance camera, want to adjust the location, hand touch the head, even live, do not know how the matter

Generally the case is the reason for static electricity, in theory, if your camera is using a transformer, that is DC power supply, then basically can be excluded from the leakage caused by the low-voltage (DC12V) camera, if There is a strong power into the words, then the camera will not be able to use, and here to note is not only the camera will have static electricity on your own may also have static electricity, you may say the same two cameras have a One is not, but you have to know the principle of electrostatic discharge, only when you come into contact with the conductive body when the static electricity can be released, you will have the feeling of Ma. In fact, if the camera is used properly, you do not have to worry about whether it is with static electricity, if you really worry, you can ground the camera, the general ceiling has a fire pipe and bridge, you can choose them to ground.

Q:Hello, because no electric video recorder did not manually set, but I would like to look back a few days before the monitor can be transferred out

2, although the surveillance camera access to the hard disk video recorder, but the video storage of the hard disk failure, can not playback.

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

Terry: username admin password empty