IR Day vs Night
During night time, cameras without any illumination can make the image noisy and even worse, no image. IR helps illuminate surrounding when lights are not available. Here's a comparison between day light image and IR illuminating the image
Box camera with low lux or camera with IR? This comparison will help you decide on which camera fits your situation.
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Have a look for yourself. We have different DVRs and Camera that you can try out and compare.
Need a specific distance on your camera? Don't know which lens size to use on your camera? Here's a simple solution for you to work out the numbers.
Storage is very important when it comes to saving recorded video clips and images. To meet your requirment, this tool can help calculate the size of your storage.