Take some money to gamble is a familiar thing. And you may alway let the money into the wallet. So when you play games, put the wallet onto the table, there is a spy camera into the wallet and let it toward the edge marked cards. With analyzer system, you can enjoy your gambling. You can also put the money into the wallet.   

      The spy camera battery can last for 3 hours, they can be fixed with single lens, dobule lenses, four lenses.