Pinhole camera lens is a kind of electronic cameras that scan the markings on the back of marked playing cards. This spy camera lens can be used in poker private clubs and casino as well as Texas Holdem. There are many types of cameras for sale, such as infrared camera, black filter camera, laser camera lens, and other camera lens. Each camera can be processed as different appearance for your requirement. Mini camera lens can be fixed on the lamp, the smoke sensor, ashtray and many other objects. What should be mentioned is that it will not take other poker players’ notice because of its concealment.