Geogrid Definition

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FAQ

Monitor the type and purpose of the equipment
2. Color gun camera, generally used for indoor, if you add an outdoor shield, you can also be used for outdoor.
Does the infrared surveillance camera automatically alarm when someone enters the monitoring range?
The camera itself does not work, through the acquisition card, or hard disk video recorder, you can detect the mobile body will alarm,
What is the difference between a dome camera, a gun camera and a dome camera in security monitoring?
Hemisphere is generally installed ceiling, the bolt is installed on the wall, whether with infrared light, the size of the lens according to the actual situation and customer requirements to consider. The dome can be rotated 360 degrees, set the preset position can be automatically cruise, you can automatically zoom to the center of the scene picture auto focus, keep the image clear, you can also manually focus.
What is the difference between a dome camera, a gun camera and a dome camera in security monitoring?
Mainly the use of the difference, the dome camera is generally used for indoor ceiling place, because it is relatively small, so more beautiful. Gun camera is generally installed in the channel, plant or parking area and other areas. The advantage is that you can install long focal length lens to expand the scope of monitoring, the disadvantage is more obvious.
Monitor the camera's focal length 4 meters good or 8 meters good
General surveillance camera focal length is not 4 meters 8 meters, and some words are estimated that the focal length of the telescope. I think you focus on the unit you did not understand, monitor the camera focal length of 2.4,4,6,8,10 ... and so on
What is the meaning of the camera uid?
Each uid corresponding to a user name on the general use of user name landing
3 megapixel surveillance cameras store much day
Monitor video 24 hours per channel per day Recording space size calculation formula:
How to install a surveillance camera
4. Switch to the video settings, wait a few seconds after you should see the video screen, display the video device to start successfully, and you can see the screen.