Latest shirt button camera Lens is fantastic poker cheating device in games. Many poker players know this kind of cheating device. The poker cheating mini camera hidden inside the shirt button can be used in casino, Texas Holdem and other poker places. With its good concealment in games, it will perfectly work with the poker analyzer to complete the poker cheat. Shirt button camera lens can read the barcode marked cards quickly and accurately. Even in the dark light the marked cards can be read by it. The battery of this camera can last for 4 hours and it is changeable. Hence, you do not worry about the battery.