Specifications: The Nunchuk builds on the simplicity of the Wii Remote and goes an extra step to meet the needs of specific types of games. The Nunchuk connects to the Wii Remote at its expansion port and is used in conjunction with the Wii Remote. Along with the analog stick, the motion-sensing Nunchuk also contains two buttons positioned for quick access. Because the Wii Remote and Nunchuk are only relatively dependent on each other, players are free to hold them in whichever hand is most comfortable. Features: Brand new, comes straight from the factory. Contoured to perfectly fit a player's hand, the Nunchuk controller builds on the simplicity of the Wii Remote controller and goes an extra step to meet the needs of gamers. Used in conjunction with the Wii Remote controller. Connects to the Wii Remote controller at its expansion port This version, 100% compatible with all US games, software, hardware, and everything else. It is absolutely guaranteed to work perfectly. Covered by our money-back guarantee. Package Included: 1 x Wii nunchuck controller 1 x Wii remote controller