It takes credit for the PSN Store and not want to walk to the nearest dealer? The nearest dealer of your trust is a bit far? No problem thought Amazon and offers these balances codes. Now How to buy those credits? You have information from his identity card / passport make (closer is explained with pictures when buying). Then, one lucky owner (of course, after you press the purchase button) a Ps credit. The code will be displayed immediately and is active. You are just in this code PSN Store and finished the thing.