Q:Hai Kang camera how remote monitoring

1. If the device is connected to the public network through the router, you need to enable the UPnP function of the router and configure the UPnP parameter of the device or make port mapping on the router.

Q:Monitor the camera what is the zoom

The lens is equivalent to the human eye lens, if there is no lens, the human eye can not see any objects; if there is no lens, then the camera output image is a vast expanse of white, no clear image output, which with our home camera and camera principle Is consistent. When the human eye can not stretch the lens to the normal position, that is, people often say myopia, the front of the scene becomes blurred; camera and lens with a similar phenomenon, when the image becomes unclear , You can adjust the camera's back focus, change the CCD chip and the lens reference plane distance (equivalent to adjust the position of the human eye lens), you can blur the image becomes clear. Thus, the role of the lens in the closed-circuit monitoring system is very important. Engineering designers and construction workers should often deal with the lens: the designer according to object distance, imaging size calculation lens focal length, the construction staff often on-site commissioning, part of the lens is to adjust to the best condition.

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

Usually used in analog surveillance cameras are generally only with the signal output itself does not record storage function

Q:Monitor the top ten cameras

Followed by: Hikvision as D-Link Dahua Dili as Sony Sony Sony Ithink Iceland as worry

Q:Monitor the camera in the monitor screen appears in the camera 001 what meaning

Specific recommendations to ask the two manufacturers of equipment. Personal feeling should be the camera with their own figures.

Q:Monitor what is good for video recorders

Dahua's software is easy to use, but DVR's BNC plug is easy to loose, resulting in poor contact, sometimes the channel screen will not show or interfere with the screen.

Q:Monitor video recorder, how do two video recorders show a display? Video recorder can not be connected with the exchange of two video recorders

This is the family. Or you want to use a video recorder connected to two monitors, a fool switch, switch on two network DVR, dozens of dollars, with two wasted, and then connected to the two monitors, you can do this: a network camera access switch. Plus a four-point video distributor. (If you have to use two video recorders, or use the computer to store, select the BNC interface, with wifi module web camera, two monitors. (Display and video recorder must have BNC interface, a hard disk recorders, switches connected to the network DVR.

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:What is the number of lines that a surveillance camera needs to use?

Video cable, audio cable is a AV, BNC and other interfaces used by the line, the power cord is the ordinary power cord

Q:What is the name of the camera with the monitor?

This is called a closed-circuit television monitor, anyway, the box is so written ~