Pinhole camera is a mini camera lens used for reading back marked cards and barcode marked cards. It can be fixed many places where the marked cards can be scanned. Besides, it can also be fixed in droplight, wall picture and water dispenser and so on.
After scanning and reading marked cards, pinhole camera will send signal to the computer on the background by the transmitter. You can know the poker result you need from the computer. For example in Texas game, the first winner hand, the second winner hand and even each poker hand will be known before you make a bet or fold. In addition to this, the marked cards are specially used for pinhole camera so that the signal will not be received by analyzers or other signal receivers. Besides, pinhole can be used in Texas Holdem, Omaha, Blackjack and other poker playing games. The camera can use battery or AC/DC power.