Oh thats not my design lol, If it were mine it would look like this one.
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BTW im sorry I forgot to tell you can get some infared cameras.
Link hidden: Login to view get them in stock on occasion and they also have the wired and wireless that you can hook to a dvr.
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Also a tip. If you want the best out of a infrared camera use an attatched infrared device.
But you probably will get the best deals for ebay if you just want to use them for personal use.