Features: BATTERY NOT INCLUDED --- Replacement Wii motion sensor bar for Nintendo Wii and Wii U Consoles. Premium quality like nintendo wii sensor bar original one.Powered by 4 AAA batteries (Batteries is Not Included) WIRELESS --- Don't worry about excess cable clutter, this wireless Wii Sensor Bar allows you to play up to 10 feet away, which can work on any TV as long as your Wii can connect to the TV. PLUG AND PLAY --- The Wii console can recognize the sensor bar automatically. 3 invisible LED lights inside the wii sensor bar to detect the movement of your remote controller in distance precisely. EASY TO INSTALL --- Wii u sensor bar comes with a stand which has adhesive tape. Easy to attach to TV, monitor or any smooth surface.