[Compatibility]: The Wii remote controller is compatible with Nintendo Wii and Wii U, supports all Wii games. Please note that the Wii console is not included. Batteries not included. [Built-in Motion Plus]: The built-in motion plus, more sensitive than the original Wii remote controller, can track movement more accurately, bringing you a more realistic game experience. The wii nunchuck controller boasts a 3-axis motion sensor, akin to the Wii Remote. Its ergonomic design ensures a comfortable grip, promoting agility during gameplay. EASY SYNC STEPS -- Push the small button on the controller (where the batteries go) then push the red button on the Wii console (under the little door), then you’re able to synchronize with Nintendo Wii. LED indicators -- LED lights will indicate which player you're.