This is a Google Play gift code issued for the USA: the value is added to the balance in US dollars and can only be redeemed on an account whose Google Play country is the USA. Check the country of your account in the settings of the Play Store app — it has to show the USA. The code can be entered on a phone in the Play Store app or in a browser on the Google Play code redemption page. It also works as a gift for someone close to you who lives in the USA.
A region mismatch is not grounds for a refund, so check the region before you pay. A delivered code cannot be returned or exchanged. After payment the code appears under “Orders” in your account.
