Weatherproof Security Camera
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Weatherproof Security Camera Supplier & Manufacturer from China
Okorder.com is a professional Weatherproof Security Camera 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 Weatherproof Security Camera firm in China.
Housing surveillance camera
- There are dozens of front-end camera to tens of thousands of you so close to the video line can be SYV75-3, back-end with a collection card is also a few dozen to thousands of hard disk video recorder is from more than 300 to 10,000 or so.s
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.s
Surveillance video can only save 4 days (the original can save about 15 days), is not the hard disk video recorder is a problem?
- Under normal circumstances is not the problem, is not you debugging the camera, changed the size of the video image?s
Is there a surveillance camera that can be plugged in
- Oh, the first kind of camera is generally by the lens, image sensor, analog / digital converter, image control And other parts of the composition, if the audio function, then, coupled with the sound collection, processing and transmission components.s
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;s
How to remotely monitor the phone
- 1, the first network camera installed, connected through the network cable to the switch, the network camera connection is not the need for each network cable must be unified in a switch (such as: need to install a camera in the distance, if you want to install ten Camera so the traditional camera is necessary for each coaxial line must be inserted at the same time in a video recorder can be used normally, but the network camera can add a switch, that has ten network switches into a network only need to pull To another switch on the normal use, so do not have to spend a lot of trouble, save a lot of labor)s
What is the meaning of monitoring the focal length in the camera?
- So, you want to see a wide range, to choose a small aperture of the lens, but to see the target will be smaller.s
What is the difference between monitoring cameras CCD1 / 3 and 1/4?
- Only 1/3 inch, 2/3 of the lens through the aperture of 2/3 inch, so under the same lighting conditions, 2/3 lens allows more light through, thus indirectly enhance the camera's illumination, ? 16MM of the small perspective, according to far, 8MM lens perspective, according to the relative, relatively speaking, the principle of record: the greater the number, according to the more distant, the smaller the angle; the smaller the number, The more widelys
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