This sensor bar gives you better Wii remote functionality. The infrared field, created by the sensor bar, allows you to play your game from many meters away. Perfect for larger TVs or wall-mounted TVs. The sensor bar is easy to install. It does not use software or hardware installation on the Wii. The sensor bar is designed for ultimate gaming convenience. Operates on 4 AAA batteries and can be placed up to 30 meters from the console. Product features: Infrared technology recognizes lateral movement actions from many meters away. Ask a product question