You will get Battlefield 3 Close Quarters DLC CD Key (cd key from original DVD box). You can activate and download the game on EA Origin. This game can not be activated on Steam platform.
NOTE: Battlefield 3 is required in order to use this DLC. This DLC works with any Battlefield 3 version (including Russian).
Battlefield 3: Close Quarters is a themed expansion pack bringing the team play of Battlefield 3 to tight indoor environments. The frantic close quarters infantry combat is amplified by unprecedented high definition destruction, new ways to play, more weapons and added persistence.