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FAQ

Monitor camera resolution 752 * 582 is high HD it
HD usually refers to 1280 * 720 (referred to as 720P) or 1920 * 1080 (referred to as 1080P). 752 * 582 is not high definition.
Monitor the camera lens focal length is what the situation according to the scope of the big focal point what the situation according to the clear
The smaller the focal length, the larger the field of view, the smaller the number of people in the corresponding picture;
What is the difference and connection between the optical zoom and the digital zoom of the camera in the security monitoring?
Digital zoom, the software is a way to achieve the realization of electronic amplification, and more for high-definition network camera, through the camera's capture screen, the screen to enlarge the local.
Monitor inside the infrared network camera infrared light automatically switch and synchronous switch What does this mean?
Synchronous switch has not heard, another set according to set the time to switch. For example, set 18 points to night into black and white
Monitor the camera 1/3 and 1/4 of the difference there is nothing different CCD what is it
Monitoring camera is a semiconductor imaging device, with high sensitivity, anti-glare, small distortion, small size, long life, anti-vibration and so on. Surveillance camera security system, the image generation is mainly from the CCD camera, can also be stored out of the charge to change the voltage, with anti-vibration and impact characteristics are widely used.
I installed a monitoring camera admin user password forgotten! How do you handle
Dahua: username admin password admin
Monitoring camera POE power supply is good, or centralized power supply good?
If you have to use (see profits, you understand), it is recommended to choose some big brands of products, such as Huawei, 3com, etc., the cost is high, 20 meters if the use of oxygen-free copper feet .5 super five twisted pair , The loss on the wire can be ignored, but the use of POE power supply to consider the lightning ah, a break is a big string ah! :) POE to be used to do lightning protection measures Oh. And POE power supply in the event of failure when the investigation than the use of some trouble with the transformer.
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