One set of two, for ten dollars. Aren't you worried about hidden camera? Steady rise in digital sex crimes. Protect me and everyone from illegal cameras. IR Cut Filter passes visible light and reflects infrared lights, using this characteristic, we made a product that can find hidden cameras. What is the differentiation of molguard? Affordable price, strong durability, portability. When you search for infrared detectors on a portal site, you might find out most of them are overpriced. So Molguard card can find illegal cameras on the same principle as infrared radiation and make the inexpensive so the many people can use it. Cellophane is thin, easily wrinkled, and cannot be used semi-permanently, but this card is strong enough and it's semi-permanent. Since this card is made in credit card size, it is made in a convenient size that can be put anywhere, such as a smartphone case, wallet, or bag. Molguard appeared in four-part documentary called ‘Korea's Idea Product' on Singapore TV's public broadcast.