Q:What is the meaning of the camera function heartbeat?

For example, after the information system has done single sign-on integration, it can keep the system's local login function in order to reduce the risk of system coupling. And then use the system "heartbeat" function to achieve the two users of the automatic switch, thus increasing the robustness of the system, to prevent the failure of the unified certification system caused by global paralysis. So what is the "heartbeat" function? The "heartbeat" function is a method of using periodic access to determine whether other system functions are normal.

Q:Video surveillance video storage how to calculate the hard disk needs I use the 720P camera, to store 3 months of video, need to use the hard disk?

720p format (750p): 1280 × 720 (horizontal 720 lines, progressive scan), a resolution of 1280 × 720p / 60Hz, the frequency is 45kHz General: a day about 24G.

Q:Night to monitor the infrared light is not bright because it is not open monitoring?

2: the camera where the environment is too bright, surrounded by incandescent or other light source, the camera will not enter the night mode, it will not open the infrared light

Q:Will monitor the camera should buy much. Room size of 8 meters 7 * 3 meters 3, is expected to use four camera monitoring head. Will the camera to buy much?

Hard disk can be used in two 500, the video can save about 45 days or so.

Q:Police surveillance camera and civilian What is the difference?

Police cameras and digital cameras are basically no difference, but for some special occasions, some of the requirements.

Q:How to use the network cable to connect the surveillance camera?

Network cable to do monitoring line in two ways, but depends on the camera's video transmission.

Q:What is the 960h in the surveillance camera?

960H is a set of quasi-HD solutions defined and developed by Techwell and Sony, which incorporates Sony's new generation of 960H CCD Sensor and Effio solutions, and the DVR side uses Techwell's latest TW9960 analog quasi-HD A / D solution. 960H resolution of 960 * 576, relative to the traditional D1 (720 * 576) overall picture clarity (details) increased by 30%. For the original analog monitoring system to upgrade the upgrade, only the front-end camera and back-end storage replaced by 960H products, transmission part can continue to follow the original system coaxial cable, the system architecture and the original analog system basically unchanged, Engineering and users without the need for professional skills training can be the original D1 system upgrade to 960H quasi-HD, the overall increase in the screen 30% at the same time will not change the user's habits, suitable for limited budget but want to experience " User.

Q:HD surveillance cameras are common faults

1) check the camera's power is normal, the infrared machine to cover the photoresistor when the infrared light will open, and can hear the sound of the IR cut switch;

Q:Use home computer camera how to install home monitoring?

With the home computer + camera, you have to keep driving the computer, which for the computer life will be affected, I suggest to buy a professional surveillance camera, and now is not expensive, our family has installed a power line network camera , Is the NPC monitoring package, this set of monitoring is still very convenient do not need to pull the cable, through the wire will be able to transmit network signals, including two cameras and a video recorder is only 1 thousand points, not expensive, you can remote monitoring. hope this helps!

Q:Hikvision monitor as a recording function?

Under normal circumstances, monitoring refers to the video surveillance, voice monitoring generally in the banks, schools, prisons, etc. will have to see the requirements of the installation of the recording system, there is no equipment