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How to choose HD infrared network camera?
1. The key points to determine the advantages and disadvantages of infrared HD network cameras are: lens, optocoupler chip, digital signal processor. 
HD infrared network camera installation precautions
In the field of surveillance, if you want professional night vision video surveillance cameras, then high-definition infrared network cameras are the first choice, which is very popular in the market. So how to choose a good high-definition infrared network camera? What are the installation precautions after purchase? The following small series for you to recruit!
How to choose a good high-definition infrared network camera, the key lies in the following optional elements:
2. There is room for selection of the infrared radiation distance. When using the outdoor surveillance camera, carefully read the instruction manual to check whether the matching performance meets the requirements.
3. Pay attention to the complete set of infrared light, camera, lens, protective cover and power supply.
When installing an infrared HD network camera, first determine if the power supply voltage is appropriate. Try to avoid direct light sources. Objects that absorb infrared light, such as all black objects, open spaces, and water, should be avoided in the field of view. Handle with care, do not subject it to strong impact, or disassemble the machine. Avoid glare that affects the life of the CCD, such as sunlight. Avoid installation in humid, dusty, extremely hot, extremely cold places.