Home Camera Surveillance System
Home Camera Surveillance System Related Searches
Home Camera Surveillance System Supplier & Manufacturer from China
Okorder.com is a professional Home Camera Surveillance System supplier & manufacturer, offers integrated one-stop services including real-time quoting and online cargo tracking. We are funded by CNBM Group, a Fortune 500 enterprise and the largest Home Camera Surveillance System firm in China.
Office area monitoring camera how to choose?
- 2, according to the size of the monitoring range, you can choose 4 mm, 6 mm, 8 mm and other lenses, these costs are the same, the smaller the number of millimeters, the greater the scope of monitoring, look closer, the greater the number of meters Small but look farther aways
Monitor how the camera is connected
- 3. How to use the network cable to monitor the camera to save costs. Twisted pair transmitter generally refers to the use of cable to transmit video equipment, twisted pair transmission using differential transmission principle, the video signal will be converted into the same amplitude, the opposite polarity of the video signal, through the twisted pair transmission, The two ends of the opposite side of the video signal subtraction into a normal video signal, it can effectively suppress common mode interference, even in strong interference environment, its anti-jamming capability is better than coaxial cable, and through the Video signal processing, the transmission of the image signal than the coaxial cable is clear, the same network cable will not interfere with each other.s
Monitor the camera infrared light does not shine what is the reason
- Infrared light power is not connected, cut off the power connector should have two red lines, are connected to the positive poles
Monitor the camera what models
- Longitudinal and under the "and too" series for the industry's top ten users recommend the brand. Product quality and cheap, trustworthy! Longitudinal and was with the major government, military, schools, enterprises and institutions are all cooperation.s
Monitoring camera 6mm 8mm 12mm 16mm length and width can be according to how much.
- According to the imaging principle, the smaller the focal length, the wider the field of view, but the distance is not clear. The larger the focal length, the narrower the field of view, but the longer the distance will be clearer.s
Monitor the video recorder has been unable to work what is the reason
- VCR hardware is damaged. This situation is recommended to contact the dealer for the repair.s
Monitor the camera's focal length how to choose?
- Second, in the choice to buy surveillance cameras at the same time, for the practical application is also essential, such as civilian-level surveillance cameras, in the same product will be divided into 3.6mm, 4mm, 6mm, 8mm, 12mm and so on different specifications of the lens indicators. These are the user to measure the size of their own needs, such as the use of 3.6mm lens, this is wide-angle lens, look at the scope of a wider, suitable for small space (elevator, etc.), often in open space, wide-angle lens may not be able to See the face, in order to see the face you need to choose the focal length and then some of the larger lens, the so-called telephoto lens, more suitable aisle or corridor, etc., of course, choose how much focal length of the lens have to see the distance to be monitored The. The focal length is bigger, and the range of images you want to see is smaller than you see now.s
3 megapixel surveillance cameras store much day
- Monitor video 24 hours per channel per day Recording space size calculation formula:s
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