You will not receive a cd key. but an access to a playstation 4 account. To download the game in your playstation, connect with the account received and play with your ownself account
Product in pre-order, delivery starts 04/03/2016. The publisher has a right to change the game release date, in which case the pre-orders delivery will also be postponed. WARNING Pre-Order of this game will not qualify for early access.