Q:Monitor there is a camera monitor can not see, but the playback can see, how is it?

1, the composition of the monitoring system principle, front-end camera ---- monitoring host ---- monitor. The camera will collect the signal to the monitoring host, monitor the host output video signal to the monitor

Q:Does the infrared surveillance camera automatically alarm when someone enters the monitoring range?

General camera is not the end of the low-end camera does not have this function, you can use the alarm to linkage, the alarm through the infrared detection of some people come in, will alarm. There is an automatic monitoring area of the camera can be, once someone appears in a certain area will be the alarm, similar to the road to shoot the kind of red light. Very sensitive, but the cost is relatively high. The best infrared camera can find 300 meters of people, but it is expensive.

Q:Monitor what is good for video recorders

Such as the cloud in the dimension of the cloud as the function, do remote too convenient, but the clarity is not as good as Hai Kang and Dahua.

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

Surveillance cameras sellers do not understand the concept of a lot of focus, they tell you that the lens is a few millimeters, the a few millimeters is the focal length or lens caliber they do not understand, they only know to see far or see close.

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

It shows that the camera is not good, color cast, color reduction is not good

Q:Monitor the farthest distance from the camera can be far, which manufacturers out

Commonly used fixed lens camera lens focal length specifications are 4mm, 6mm, 8mm, 16mm, 25mm, viewing angle were about 80 degrees, 65 degrees, 50 degrees, 30 degrees, 15 degrees, the effective distance of 10 meters, 20 meters, 30 meters, 40 meters, 50 meters.

Q:Hai Kangwei as the camera mapping problem

Here the network situation is so drop. A TP wireless router, a fiber cat, a monitor, two computers, and N mobile phones.

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

1, lack of light, color to black camera automatically switch to black and white mode;

Q:Monitor the camera has a video port, what is this mouth, then what machine, direct access to the TV can you?

Is BNC port, direct access to TV no problem, then the old TV video line is a BNC, one is the Lotus head, then LCD TV two are BNC; only the camera directly to the TV, then only on-site monitoring,