Use this Motion Plus for Wii to enhance game control and to reflect your motions in a 3D space with speed and precision, at the most practical wholesale price only here! This piece of Wii accessory attaches itself to the rear of your remote control along with the accelerometer and sensor bar, to track the player's arm position and orientation with precision and immersion. This Motion Plus for Wii adds more fun and well-defined motions and positions to your game. With this gadget, your response and movements are instantly reflected on scree even if how slight it is.