Q:Camera clarity, 1080p. 3mp. 4k, what does it mean

3MP, 3 million pixels should be valid pixels or still photo pixels

Q:Monitor the difference between the camera 720p and 1200 lines

1200 lines, if simply literally on the analog camera system that represents the clarity of the 1200 TV line, but the current market, the emergence of the 1200 line, strictly speaking, is a mountain plug products, is a digital camera using 1080 X 1960 CMOS lens to convert products into analog cameras.

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: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:Can I monitor the camera directly on TV?

Bought the camera, connected to the power, the line connected to the computer, with the AV head, the TV can be transferred to the video state can be, as to how much money, hundreds of dollars it, depending on what kind of you The camera

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:What is the meaning of the high definition and standard definition of the surveillance camera?

HD requires a physical resolution of 1920 × 1080, that is to say the horizontal resolution to reach 1920 pixels, the vertical resolution to reach 1080 scan lines.

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?

What brand of network camera do you use? Is it safe for Shenzhen? Their home is relatively simple I take this to you: you have to re-add equipment in the external network, you put the serial number of the device into the re-enter (rather than search, search out all the network), add good You can see

Q:How to make cable monitoring camera temporarily failed

The best way is to turn off the DVR video recording function. The second is to find ways to make the video line and the power cord bad contact and other methods. Or cut off the camera's power can also ah.

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

If you want to video directly to the hard disk recorders, take a video line, the two do a BNC head (the electronics market to sell more), one end of the camera, one end of the hard disk recorders, hard disk recorders then TV or LCD Is a small set of video surveillance system.