The Wii MotionPlus™ accessory attaches to the end of the original Wii Remote and, combined with the accelerometer and the sensor bar, allows for more
Wii Remote - Wikipedia
Nintendo Wii with Motion Plus Black
Nintendo Wii Remote Motion Plus Controller & Nunchuck White OEM. Tested & Workin. Controller has minor cosmetic wear does not affect functionality.
Nintendo Wii Remote Motion Plus Controller & Nunchuck Black OEM. Tested & Workin
Nintendo Wii Motion Remote Plus Color & Character Variations
Wii Remote sold separately
Wii MotionPlus
Nintendo Wii Consoles in Nintendo Wii U / Wii
Nintendo Wii/Wii U/Wii Mini Motion Plus Controllers (2 Pack) Plus 4 Free
OEM Nintendo Wii Motion Plus Remote Controller WiiMote - Blue RVL-036 Tested
Wii Sports Resort vs. Wii MotionPlus