Wii Wireless Sensor Bar
well its ok
it works good as far as performance the real problem i have out of it is it drains batterys quickly. also i does not have a auto shut off it does how ever let u know by a blinking light when it is going to die once it starts blinking you only have about 5 min. then it will die although some games like RE4 can still be played it is much more difficult with out the movement your use to.