Q:Home pinhole wireless surveillance camera where to sell? How much is the miniature camera?

And object-oriented design is from another way to solve the problem. The whole backgammon can be divided into 1, black and white sides, the two sides of the behavior is exactly the same, 2, board system, responsible for drawing the screen, 3, the rules of the system, responsible for judging such as foul, winning or losing. The first type of object (the player object) is responsible for accepting the user's input and informing the change of the chessboard layout of the second type of object (checkerboard object). The chessboard object receives the i's change in the piece to be responsible for showing the change on the screen, The third type of object (rule system) to determine the chess game.

Q:Monitor the camera focal length 3.6mm 4mm 6mm. What is the meaning?

Mm is the lens of the aperture, the number of millimeters, not the bigger the better, the smaller the camera according to the wider picture, the larger the lens the more narrow the picture clear

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

In addition, many of the network camera supports SD card video, you can video playback through the network

Q:Monitor the camera 1 road 4 what is the difference

Camera regardless of a few road, only the video recorder was divided, four representatives can take four cameras!

Q:Is the camera pixel taller the better?

Although the output of the picture is large, but the quality of the image has not been really effective to improve, and even there may be serious distortion. Only physical pixels high picture will be really clear.

Q:HD surveillance cameras are common faults

3) check whether the IP address of the camera and other IP devices within the LAN conflict, the host's IP address and IP address of the camera is in the same network segment;

Q:Monitor the flash indicator on the DVR panel

Which lights are flashing? Hard disk lights and network lights flash is normal

Q:Surveillance video can only save 4 days (the original can save about 15 days), is not the hard disk video recorder is a problem?

Under normal circumstances is not the problem, is not you debugging the camera, changed the size of the video image?

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.

Q:How is the general surveillance camera connected to the computer?

(2) Remove the screws from the video capture card box, the video capture card fixed in the chassis, as shown in Figure 1.26.