Q:Monitor the camera, how much money one, the kind of video

Video capture card (then used on the computer): 150-300 range, this money a sub-goods. Project costs depends on how difficult you install the installation, if the wiring and installation is no difficulty, then the general is a 50 yuan a camera point, there are difficulties, you have to see the situation to install the situation. And then a video file to save the length of time and your computer's hard disk size has a relationship, because you provide a computer, this business is not responsible. If you want to save a long time, you can ask the business, how much hard disk, not the case, then add a hard disk on it.

Q:What is the difference between a network video encoder and a hard disk video recorder? And bolt machine cameras are the same as security monitoring? What kind of network video encoder used

And DVR difference is still very large. Which company model does the video encoder belong to. Generally without storage function, without hard disk. Even if there is a belt, generally only with a hard drive. The recording time is short. Unlike the hard disk video recorder to bring 8 or more than 8 hard drives for storage. And DVR is also divided DVR and NVR. Like the general use of the encoder, is the NVR (network hard disk video) transmission line is through the network cable, rather than dvr is bnc line.

Q:Install the monitor camera need to put a few lines

A camera needs two lines, a video cable, one with the power cord, in addition to the alarm line, if you encounter an emergency situation, you can alarm, if you need to do monitoring the camera to install, you can find a news sensitive monitoring installation the company.

Q:3 megapixel surveillance cameras store much day

3 million pixel surveillance camera video bit rate is generally set to 4Mbps, video files 24 hours a day about 42G.

Q:Monitor the camera with high illumination and low light

Is the brightness of the shooting scene requirements. Low-light camera in a dark environment to shoot a more bright scene.

Q:How to choose to monitor the camera and video capture card?

Second, the installation of monitoring equipment needs to be sure to install several cameras and determine the monitoring range and image quality of each camera. First determine the number of cameras to monitor, and then according to the specific circumstances to determine the camera lens monitoring range: the camera must be clear to the monitoring point of the distance and the need to monitor the area, as the clarity, Ai Wei technology that: analog monitoring system 700 lines Cameras, and network digital monitoring system, millions of high-definition camera prices are very cheap, can be selected according to actual needs.

Q:Monitor the type and purpose of the equipment

3. Color dome camera for indoor, ceiling place easy to install.

Q:Hello, because no electric video recorder did not manually set, but I would like to look back a few days before the monitor can be transferred out

3, the operator will not operate the hard disk video recorder, did not correctly follow the normal steps to call the DVR video. 4, hard disk video recorder motherboard problems.

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

You are not modified to save the format of the ~ !! You can choose to format the hard disk ~ !! Clear all the contents of the inside to see