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 Some hd pen camera products
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What Are the Components of a Spy Pen Camera? Spy pen cameras and other similarly designed covert video recording systems apply wide angle lenses to obtain a best viewing angle possible. So what are the components ...MORE »
HD Board Camera and Its Lens A HD board camera is similar to what you might find in a typical espionage movie. It consists of a tiny lens connected to a circuit board. The board can then be placed...MORE »