The barcode marked cards refers to the marked playing cards with invisible marks on the four sides of regular poker cards. These barcode marked cards could be read only by poker scanning cameras. You could choose the lighter poker cameras, car key cameras, USB cable cameras, cigarette box cameras, shirt button cameras, wallet poker camera, wrist watch poker scanner and so on. After scanning by these poker cameras and then the poker analyzer will receive the signal. At last, the user will know the accurate game result. No matter plastic poker cards or paper cards, they could be processed to barcode marked cards.