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:Monitor camera parameters how to see

Focal length (f): focal length is the distance between the lens and the photosensitive element, by changing the focal length of the lens, you can change the lens magnification, change the size of the captured image. When the distance between the object and the lens is very far, we can use the following formula: lens magnification ≈ focus / material distance. Increase the lens focal length, enlarge the magnification, can be closer to the vision, the scope of the screen is small, the details of the vision to see more clearly; if the lens to reduce the focal length, magnification reduced, the scope of the screen expanded, See the bigger scene.

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:Elevator in the monitor camera lens focal length with the number

The smaller the number of millimeters, the greater the angle, see the closer .3.6 mm angle of about 75 degrees, the proposed monitoring distance of 5 meters .2.8 mm angle of about 90 degrees, the proposed monitoring distance of 3 meters

Q:Monitor how the camera looks online

The device is connected to the wireless network, it will automatically upload the camera to capture the information, then the user can download the relevant device on the phone after APP, you can remotely view.

Q:Monitor the image of the camera appeared black and white colorless situation, is this how is it?

First of all, you first look at the monitor is not set to black and white and then in the hard disk video recorder you look at the system is not wrong

Q:Monitoring camera Sony chip how to identify

Panasonic low solution: the current with Panasonic D5-based,

Q:P2p wireless monitoring camera how to achieve remote monitoring

The camera can set ip, and then do port mapping on the network switch. As long as the remote computer to enter your camera where the network ip address and port number can be remotely entered.

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:An electronic surveillance camera every month to consume how much electricity

1, the general camera is divided into four, the ball machine, infrared one machine, infrared hemisphere machine and bolt;